Showcase Presents: Legion of Super-Heroes #1

DC Comics
United States.
- Published
- [April] 2007
- Page count
- 556
- Cover price
- 16.99 USD; 20.99 CAD
- Colour
- Black & white
- Format
- Comic series
- GCD
- www.comics.org/issue/352977
Credits
- Editing
- Whitney Ellsworth (original editor)
Mort Weisinger (original editor)
Peter Hamboussi (editor collected edition)
Issue contents

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl]
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
- Colours
- Alex Sinclair
- Editing
- Whitney Ellsworth (original editor)
Mort Weisinger (original editor)
Peter Hamboussi (editor collected edition)
Reprint history
- Printed in
- from Adventure Comics (DC, 1938 series) #247.

Credits
- Letters
- typeset

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl]
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #247.
Notes
In this first Legion story, Lightning Lad is referred to as "Lightning Boy" on the cover and in the story.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad [as Lightning Boy]; Saturn Girl]
Credits
- Script
- Otto Binder
- Art
- Al Plastino
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #247 (April 1958) — The Legion of Super-Heroes
- Also printed
-
Century the 100 Page Comic Monthly (Colour Comics, 1956 series) #29 ([October 1958?]) — The Legion of Super-Heroes
-
Superman Annual (DC, 1960 series) #6 (Winter 1963) — The Legion of Super-Heroes
-
Giant Superman Album (Colour Comics, 1961 series) #6 ([November 1965?])
-
Giant Superman Album (Colour Comics, 1961 series) #6 ([November 1965?]) — The Legion of Super-Heroes
-
DC Special Blue Ribbon Digest (DC, 1980 series) #1 (March-April 1980) — The Legion of Super-Heroes
-
Adventure Comics (DC, 1938 series) #491 (September 1982)
-
Adventure Comics (DC, 1938 series) #491 (September 1982) — The Legion of Super-Heroes
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Legion of Super-Heroes
-
DC Silver Age Classics Adventure Comics 247 (DC, 1992 series) (1992) — The Legion of Super-Heroes
-
Millennium Edition: Adventure Comics No. 247 (DC, 2000 series) (November 2000) — The Legion of Super-Heroes
-
World's Best Comics: Silver Age Sampler (DC, 2004 series) (2004) — The Legion of Super-Heroes
-
Legion of Super-Heroes: 1,050 Years of the Future (DC, 2008 series) ([June] 2008) — The Legion of Super-Heroes
-
Adventure Comics (DC, 2009 series) #0 (April 2009) — The Legion of Super-Heroes
- From GCD
- from Adventure Comics (DC, 1938 series) #247.
Synopsis
Superboy meets three super-youths from the 30th century, who invite him to the future to join their club.
Notes
1st appearance of Legion; Lightning Lad called Lightning Boy; several other unidentified Legionnaires in story; Legionnaires not in regular costumes

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl]
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #267.

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad]; Krypto; Martha Kent; Jonathan Kent
Credits
- Script
- Jerry Siegel
- Art
- George Papp
- Letters
- Joe Letterese
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #491 (September 1982) — Prisoner of the Super-Heroes!
- Also printed
-
Superman Annual (DC, 1960 series) #8 (Winter 1964) — Prisoner of the Super-Heroes
-
Giant Superman Album (Colour Comics, 1961 series) #7 ([July 1966?]) — Prisoner of the Super-Heroes
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — Prisoner of the Super-Heroes
Synopsis
Legion returns to 20th Century to discredit Superboy, then exile him from Earth because their futurescope shows he's going to turn evil.
Notes
2nd appearance of Legion, Saturn Girl has brown hair.

Featuring
- Feature
- Supergirl
- Genre
- Superhero
- Characters
- Supergirl; Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Chameleon Boy (1st); Colossal Boy (1st); Invisible Kid (1st)]; Superman
Credits
- Script
- Jerry Siegel
- Art
- Jim Mooney
- Letters
- Joe Letterese
Reprint history
- First print
-
Action Comics (DC, 1938 series) #267 (August 1960) — The Three Super-Heroes
- Also printed
-
Action Comics (DC, 1938 series) #334 (March 1966) — The Three Super-Heroes
-
Giant Supergirl Album (KG Murray, 1974 series) #5 ([March 1974?])
-
Giant Supergirl Album (KG Murray, 1974 series) #5 ([March 1974?]) — The Three Super-Heroes
-
Superman Presents Supergirl Comic (Murray, 1977 series) #29 ([July 1978?]) — The Three Super-Heroes!
-
Adventure Comics (DC, 1938 series) #492 (October 1982) — The Three Super-Heroes!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Three Super-Heroes
-
The Supergirl Archives (DC, 2001 series) #Volume 1 (2001) — The Three Super-Heroes!
-
Showcase Presents: Supergirl (DC, 2007 series) #Volume One ([November] 2007) — The Three Super-Heroes!
- From GCD
- from Action Comics (DC, 1938 series) #267.
Synopsis
The Legion comes to the 20th century to meet Supergirl and invites her to come to the 30th Century to apply to join the Legion.
Notes
3rd app Legion of Super Heroes

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Lex Luthor; Mr. Kent; Lana Lang; Krypto; Lightning Lad; Legion of Super-Heroes [Saturn Girl; Cosmic Boy; Lightning Lad] (flashback)
Credits
- Script
- Jerry Siegel
- Art
- George Papp
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #86.
Synopsis
Luthor lures Superboy into a kryptonite trap, but he is saved by a timely appearance of Lightning Lad.

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Star Boy; Zynthia; Lana Lang
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #282.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Star Boy; Lana Lang; Mr. Kent; Legion of Super-Heroes [Star Boy; Chameleon Boy; Lightning Lad; Saturn Girl; Cosmic Boy] (flashback); Mr. Lang; Mrs. Lang; Zynthia
Credits
- Script
- Otto Binder
- Art
- George Papp
Reprint history
- Also printed
-
Adventure Comics (DC, 1938 series) #493 (November 1982)
- From GCD
- from Adventure Comics (DC, 1938 series) #282.
Synopsis
Lana uses Star Boy in an attempt to make Superboy jealous.
Notes
Story is re-written version of story from Adventure Comics (DC, 1938 series) #195 (December 1953).

Featuring
- Feature
- Supergirl
- Genre
- Superhero
- Characters
- Saturn Girl; Phantom Girl (intro); Triplicate Girl (intro, later Duo Damsel); Cosmic Boy; Lightning Lad; Shrinking Violet (intro), Bouncing Boy (intro), Sun Boy (intro), Brainiac 5 (intro, joins), Supergirl (joins) (all as the Legion of Super-Heroes); Brainiac (flashback); Kandor (flashback); Superman (flashback); Green Kryptonite; Lori Lemaris; Jerro; Krypto
Credits
- Script
- Jerry Siegel
- Art
- Jim Mooney
Reprint history
- Based on
-
Action Comics (DC, 1938 series) #276 (May 1961) — Supergirl's Three Super Girl-Friends!
- Printed in
-
Super Adventure Comic (Colour Comics, 1960 series) #8 ([November 1961?]) — Supergirl's Three Super-Girl Friends!
- Also printed
-
Superboy (DC, 1949 series) #147 (June 1968) — Supergirl's Three Super-Girl Friends!
-
Giant Superboy Album (Colour Comics, 1965 series) #5 ([June 1969?]) — Supergirl's Three Super-Girl Friends
-
Adventure Comics (DC, 1938 series) #493 (November 1982)
-
Adventure Comics (DC, 1938 series) #493 (November 1982) — Supergirl's Three Super Girl-Friends!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — Supergirl's Three Super Girl-Friends
-
The Supergirl Archives (DC, 2001 series) #Volume 2 (2003) — Supergirl's Three Super Girl-Friends!
- From GCD
- from Action Comics (DC, 1938 series) #276. Reprinted in Superboy (1949 series) #147
in Adventure Comics (1938 series) #493
in The Legion of Super-Heroes Archives (1991 series) #1
Synopsis
Supergirl again travels to the 30th century to tryout for the Legion, and this time is inducted alongside Brainiac 5.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Mon-El
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #89.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Mon-El; Jonathan Kent; Martha Kent; Jor-El (flashback); Lara Lor-Van (flashback); Krypto
Credits
- Script
- Robert Bernstein
- Art
- George Papp
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #89.
Synopsis
Superboy finds an amnesiac super-powered youth he thinks his older brother, and christens him Mon-El.
Notes
Story is re-written version of "Superman's Big Brother" from Superman (DC, 1939 series) #80.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Mon-El (also as Bob Cobb; revealed as Lar Gand (origin)); Martha & Jonathan Kent, Lana Lang app; Jor-El & Lara (flashback)
Credits
- Script
- Robert Bernstein
- Art
- George Papp
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #89.
Synopsis
Mon-El revealed to be Lar Gand, a Daxamite, who is poisoned by exposure to lead and must be sent to the Phantom Zone for survival.

Featuring
- Feature
- Superman
- Genre
- Superhero
- Characters
- Superman; Legion of Super-Villains [Cosmic King; Lightning Lord; Saturn Queen]
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Superman (DC, 1939 series) #147.

Featuring
- Feature
- Superman
- Genre
- Superhero
- Characters
- Superman; Lex Luthor; Legion of Super-Villains [Cosmic King; Lightning Lord; Saturn Queen]; Legion of Super-Heroes [Lightning Man; Cosmic Saturn Woman; Cosmic Boy]
Credits
- Script
- Jerry Siegel
- Pencils
- Curt Swan
- Inks
- Shelly Moldoff
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Superman (DC, 1939 series) #147.
Synopsis
Luthor contacts and teams up with the Legion of Super-Villains from 30th Century.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Sun Boy (imposter)
Credits
- Pencils
- Curt Swan
- Inks
- Stan Kaye
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #290.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Sun Boy; Cosmic Boy; Lightning Lad; Saturn Girl; Chameleon Boy; Brainiac 5; Phantom Girl]; Sun Boy (imposter); Tom Tanner; Mrs. Kent; Lana Lang; Cyclops the Robot; Krypto
Credits
- Script
- Robert Bernstein
- Art
- George Papp
- Letters
- Joe Letterese
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #290 (November 1961) — The Secret of the Seventh Super-Hero!
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #32 ([March 1962?]) — The Secret of the Seventh Super-Hero
-
Superboy (DC, 1949 series) #147 (June 1968) — The Secret of the Seventh Super-Hero!
-
Giant Superboy Album (Colour Comics, 1965 series) #5 ([June 1969?]) — The Secret of the Seventh Super-Hero
-
Adventure Comics (DC, 1938 series) #495 (January 1983) — The Secret of the Seventh Super-Hero!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Secret of the Seventh Super-Hero!
- From GCD
- from Adventure Comics (DC, 1938 series) #290.
Synopsis
An imposter Sun Boy has Superboy help him assemble a robot.
Notes
Story is in part a re-written version of "The Two Clark Kents" from Adventure Comics (1938 series) #191.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #293.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Pets [Krypto; Streaky; Super-Monkey; Comet the Super-Horse (1st)]; Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad]; Mr. Kent; Lana Lang; Mrs. Kent; Jax-Ur; General Zod; Mon-El; Brain Globes of Rambat; Supergirl
Credits
- Script
- Jerry Siegel
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #293.
Synopsis
The Brain-Globes of Rambat attempt to use the Legion in their plan to take over Earth, but the Legion gather the Legion of Super-Pets who can't be mind-controlled.
Notes
1st Legion of Super-Pets

Featuring
- Feature
- Supergirl
- Genre
- Superhero
- Characters
- Supergirl; Legion of Super-Heroes [Chameleon Boy; Cosmic Boy; Bouncing Boy; Lightning Lad; Sun Boy; Saturn Girl]; Whizzy (1st); Positive Man; Triplicate GIrl; Chameleon Boy; Streaky; Superman
Credits
- Script
- Jerry Siegel
- Art
- Jim Mooney
- Letters
- Milton Snapinn
Reprint history
- First print
-
Action Comics (DC, 1938 series) #287 (April 1962) — Supergirl's Greatest Challenge!
- Also printed
-
Action Comics (DC, 1938 series) #373 (March 1969) — Supergirl's Greatest Challenge
-
Adventure Comics (DC, 1938 series) #496 (February 1983) — Supergirl's Greatest Challenge!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — Supergirl's Greatest Challenge
-
Showcase Presents: Supergirl (DC, 2007 series) #2 ([December] 2008) — Supergirl's Greatest Challenge!
- From GCD
- from Action Comics (DC, 1938 series) #287.
Synopsis
During a trip to the 30th century, the Legionnaires seemingly lose their powers and Supergirl must cover for them, but it is really a trap to send her into the Phantom Zone.

Featuring
- Feature
- Supergirl
- Genre
- Superhero
- Characters
- Superman; Supergirl; Legion of Super-Heroes [Lightning Man; Cosmic Man; Phantom Woman; Saturn Woman; Chameleon Boy]; Helen of Troy; Fred Danvers; Edna Danvers; Luma Lynai of Staryl (intro)
Credits
- Script
- Jerry Siegel
- Art
- Jim Mooney
- Letters
- Milton Snapinn
Reprint history
- Based on
-
Action Comics (DC, 1938 series) #289 (June 1962) — Superman's Super-Courtship!
-
Adventure Comics (DC, 1938 series) #496 (February 1983) — Superman's Super-Courtship!
- Printed in
-
Super Adventure Comic (Colour Comics, 1960 series) #12 ([November 1962?]) — Superman's Super-Courtship!
- Also printed
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — Superman's Super-Courtship!
-
Superman in the Sixties (DC, 1999) ([September] 1999) — Superman's Super-Courtship!
-
Showcase Presents: Supergirl (DC, 2007 series) #2 ([December] 2008) — Superman's Super-Courtship
- From GCD
- from Action Comics (DC, 1938 series) #289.
Synopsis
Supergirl tries to find the perfect mate for Superman.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Ultra-Boy; Lana Lang
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #98.

Featuring
- Feature
- Superboy
- Genre
- Superhero
- Characters
- Superboy; Ultra-Boy; Mrs. Kent; Mr. Kent; Marla; Pete Ross; Krypto; Lana Lang
Credits
- Script
- Jerry Siegel
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Superboy (DC, 1949 series) #98.
Synopsis
Ultra Boy must discover Superboy's secret identity as an initiation test for entrance into the Legion.

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Sun Boy; Saturn Girl; Cosmic Boy; Lightning Lad; Triplicate Girl; Mon-El]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #300.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Sun Boy; Lightning Lad; Mon-El]; Lex Luthor; Urthlo (robot)
Credits
- Script
- Jerry Siegel
- Pencils
- John Forte
- Inks
- John Forte
Al Plastino (Superboy's face only) - Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #300 (September 1962) — The Face Behind the Lead Mask!
- Also printed
-
Giant Superboy Album (Colour Comics, 1965 series) #5 ([June 1969?]) — The Face Behind the Lead Mask
-
Action Comics (DC, 1938 series) #377 (June 1969) — The Face behind the Lead Mask
-
Superman Supacomic (Colour Comics, 1959 series) #146 ([October 1971]) — The Face Behind the Lead Mask
-
Super Heroes Album (Murray, 1977 series) #12 ([April 1979]) — The Face Behind the Lead Mask
-
Adventure Comics (DC, 1938 series) #497 (March 1983) — The Face Behind the Lead Mask!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Face behind the Lead Mask
-
Superman: Tales from the Phantom Zone (DC, 2009 series) ([June] 2009) — The Face Behind the Lead Mask!
- From GCD
- from Adventure Comics (DC, 1938 series) #300.
Synopsis
The Legion of Super-Heroes releases Mon-El from the Phantom Zone to help them battle Urthlo, but has to return him to the Phantom Zone to await a permanent cure to his lead poisoning.
Notes
Beginning of 1st regular Legion series. Mon-El joins.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Bouncing Boy; Chameleon Boy; Cosmic Boy; Saturn Girl; Lightning Lad; Sun Boy; Shrinking Violet; Colossal Boy; Phantom Girl; Ultra-Boy; Triplicate Girl]; Lester Spiffany; Storm Boy
Credits
- Script
- Jerry Siegel
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #498 (April 1983) — The Secret Origin of Bouncing Boy!
- Also printed
-
Century Comic (Colour Comics, 1961 series) #91 ([January 1964]) — The Secret Origin of Bouncing Boy!
-
Superboy (DC, 1949 series) #180 (December 1971) — The Secret Origin of Bouncing Boy!
-
Superman Supacomic (Colour Comics, 1959 series) #152 ([April 1972]) — The Secret Origin of Bouncing Boy
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Secret Origin of Bouncing Boy
Synopsis
Bouncing Boy tells a group of applicants how he got his powers and gained acceptance into the Legion.

Featuring
- Feature
- Superboy, Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Superboy; Legion of Super-Heroes [Sun Boy; Ultra-Boy; Cosmic Boy; Saturn Girl]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #302.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Cosmic Boy; Saturn Girl; Chameleon Boy; Bouncing Boy; Shrinking Violet; Ultra-Boy]; Superboy
Credits
- Script
- Jerry Siegel
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #302.
Synopsis
Sun Boy loses his powers and has to find a way to recharge them.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Chameleon Boy; Bouncing Boy; Cosmic Boy; Saturn Girl; Sun Boy; Lightning Lad; Brainiac 5; Matter-Eater Lad]; Superboy
Credits
- Script
- Jerry Siegel
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #303.
Synopsis
The newest Legionnaire, Matter-Eater Lad, is accused of being a spy.
Notes
Intro & origin Matter-Eater Lad, joins the Legion.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Saturn Girl (elected Legion leader); Cosmic Boy; Sun Boy; Chameleon Boy; Lightning Lad (death of); Bouncing Boy; Shrinking Violet; Triplicate Girl; Brainiac 5; Invisible Kid; Colossal Boy; Matter-Eater Lad; Ultra-Boy]; Zaryan; Lori Lemaris
Credits
- Script
- Jerry Siegel
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- Based on
-
Adventure Comics (DC, 1938 series) #304 (January 1963) — The Stolen Superpowers!
-
Superman Supacomic (Colour Comics, 1959 series) #44 ([April 1963?]) — The Stolen Super-Powers
-
Adventure Comics (DC, 1938 series) #403 (March-April 1971) — The Stolen Super-Powers!
- Printed in
-
All Star Adventure Comic (KG Murray, 1973 series) #89 ([October 1974?]) — The Stolen Super-Powers
- Also printed
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Stolen Super-Powers!
- From GCD
- from Adventure Comics (DC, 1938 series) #304.
Synopsis
Saturn Girl tries to sacrifice herself after she finds out that a computer predicts the death of a legionnaire fighting Zaryan, but Lightning Lad dies instead.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Saturn Girl; Cosmic Boy; Sun Boy; Lightning Lad; Bouncing Boy; Invisible Kid; Colossal Boy]; Antennae Boy; Dynamo Kid; Mon-El [Marvel Lad, the Legionnaire Lemon]; Superboy (in flashback)
Credits
- Script
- Jerry Siegel
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- Based on
-
Adventure Comics (DC, 1938 series) #305 (February 1963) — The Secret of the Mystery Legionnaire!
-
Adventure Comics (DC, 1938 series) #403 (March-April 1971) — The Secret of the Mystery Legionnaire
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #77 ([January 1966?]) — The Secret of the Mystery Legionnaire
- Printed in
-
All Star Adventure Comic (KG Murray, 1973 series) #91 ([February 1975?]) — The Secret of the Mystery Legionnaire!
- Also printed
-
Adventure Comics (DC, 1938 series) #500 (June 1983) — The Secret of the Mystery Legionnaire!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #1 (1991) — The Secret of the Mystery Legionnaire
- From GCD
- from Adventure Comics (DC, 1938 series) #305.
Synopsis
In tryouts to replace the fallen Lightning Lad, Marvel Lad wows the Legionnaires, then reveals he is Mon-El, now cured by Brainiac 5.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Substitute Heroes [Polar Boy; Night Girl; Stoneboy; Fire-Lad; Chlorophyll Kid]; Legion of Super-Heroes [Sun Boy; Saturn Girl; Chameleon Boy; Bouncing Boy; Colossal Boy; Cosmic Boy; Brainiac 5]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #306.
Synopsis
A group of rejected applicants band together as the Legion of Substitute Heroes and thwart the Plant Men's scheme to take over the Earth.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Bouncing Boy; Saturn Girl]; Mystery Lad
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #307.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Bouncing Boy; Sun Boy; Brainiac 5; Invisible Kid; Colossal Boy; Element Lad [Jan Arrah, also as Mystery Lad]]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #307.
Synopsis
The Legion takes in new member Mystery Lad on Saturn Girl's word and he helps them put an end to space pirate Roxxas.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Bouncing Boy; Chameleon Boy; Sun Boy; Mon-El; Shrinking Violet; Supergirl; Lightning Lass]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Joe Letterese
Reprint history
- Based on
-
Adventure Comics (DC, 1938 series) #308 (May 1963) — The Return of Lightning Lad!
-
Adventure Comics (DC, 1938 series) #403 (March-April 1971) — The Return of Lightning Lad!
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #52 ([December 1963?]) — The Return of Lightning Lad
- Printed in
-
All Star Adventure Comic (KG Murray, 1973 series) #92 ([April 1975?]) — The Return of Lightning Lad
- Also printed
-
Adventure Comics (DC, 1938 series) #500 (June 1983) — The Return of Lightning Lad!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #2 (1992) — The Return of Lightning Lad!
- From GCD
- from Adventure Comics (DC, 1938 series) #308.
Synopsis
Lightning Lad's sister impersonates her dead brother and joins the Legion.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Ultra-Boy; Mon-El; Colossal Boy; Bouncing Boy; Chameleon Boy; Saturn Girl; Brainiac 5; Sun Boy]; Jungle King; Legion of Super-Monsters; Rainbow Girl
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #309.
Synopsis
Failed Legion applicant Jungle King tries to get revenge with his super-beasts.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Ultra-Boy; Mon-El; Colossal Boy; Bouncing Boy; Chameleon Boy; Saturn Girl; Brainiac 5; Sun Boy]; Jungle King; Legion of Super-Monsters
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #309.
Synopsis
The Legion defeats the Jungle King and his super-beasts.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Chameleon Boy; Sun Boy; Saturn Girl; Brainiac 5; Cosmic Boy; Mon-El; Superboy; Bouncing Boy; Ultra-Boy; Shrinking Violet; Invisible Kid; Colossal Boy; Lightning Lass]; Mask Man [Mr. Mxyzptlk V]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #310.
Synopsis
The Legion confronts a masked raider looting Metropolis, who turns out to be deadly, killing several of the Legionnaires. But Superboy figures out Mask Man's identity and returns him to the 5th Dimension, restoring to life all the Legionnaires.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes (portraits only); Legion of Substitute Heroes [Polar Boy; Chlorophyll Lad; Night Girl; Stoneboy; Fire-Lad]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #311.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Saturn Girl; Sun Boy; Cosmic Boy; Bouncing Boy; Brainiac 5]; Legion of Substitute Heroes [Night Girl; Polar Boy; Chlorophyll Kid; Fire-Lad; Stoneboy]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Joe Letterese
Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #311 (August 1963) — Part I: The War Between the Substitute Heroes and the Legionnaires!
-
Adventure Comics (DC, 1938 series) #311 (August 1963) — Part II: The Duel of the Legions!
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #53 ([January 1964]) — [Part I] The War between the Substitute Heroes and the Legionnaires!
-
Adventure Comics (DC, 1938 series) #500 (June 1983) — Part I: The War Between the Substitute Heroes and the Legionnaires!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #2 (1992) — [Part I]: The War between the Substitute Heroes and the Legionnaires!
- From GCD
- from Adventure Comics (DC, 1938 series) #311.
Synopsis
The Legion of Substitute-Heroes tries to fill in for the Legion, but the Legion tells the Subs to disband. The Substitutes realize the Legion has been replaced by aliens, chase the aliens away, and save the real Legion.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Bouncing Boy; Sun Boy; Lightning Lass; Chameleon Boy; Saturn Girl; Superboy; Lightning Lad]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #312.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Mon-El; Saturn Girl; Sun Boy; Lightning Lass; Chameleon Boy; Lightning Lad]; Proty
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #312 (September 1963) — Part I: The Super-Sacrifice of the Legionnaires!
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #56 ([April 1964?]) — Super-Sacrifice of the Legionnaires Part 2:The Bravest Legionnaire
-
All Star Adventure Comic (KG Murray, 1973 series) #93 ([June 1975?]) — Part I: The Super Sacrifice of the Legionnaires
-
Adventure Comics (DC, 1938 series) #500 (June 1983) — Part I: The Super-Sacrifice of the Legionnaires!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #2 (1992) — Part I: The Super-Sacrifice of the Legionnaires!
- From GCD
- from Adventure Comics (DC, 1938 series) #312.
Synopsis
The Legionnaires search to find a way to revive Lightning Lad.

Featuring
- Feature
- Superman's Pal Jimmy Olsen
- Genre
- Superhero
- Characters
- Jimmy Olsen; Superman; Legion of Super-Heroes [Mon-El; Colossal Boy; Bouncing Boy; Cosmic Boy; Chameleon Boy; Shrinking Violet (cameo); Sun Boy (cameo); Lightning Lad (cameo); Saturn Girl (cameo); Triplicate Girl (cameo)]; Proty II; Legion of Substitute-Heroes [Fire Lad; Polar Boy; Night Girl; Stone Boy] (all in cameos)
Credits
- Script
- Jerry Siegel
- Pencils
- Curt Swan
- Inks
- George Klein
Reprint history
- First print
-
Superman's Pal, Jimmy Olsen (DC, 1954 series) #72 (October 1963) — The World of Doomed Olsens!
- Also printed
-
Super Adventure Comic (Colour Comics, 1960 series) #22 ([June 1965?]) — The World of Doomed Olsens
-
Giant Jimmy Olsen Album (Colour Comics, 1966 series) #8 ([April 1973?]) — The World of Doomed Olsens
-
Mighty Comic (KG Murray, 1973 series) #122 ([March 1978?]) — The World of Doomed Olsens!
-
Adventure Comics (DC, 1938 series) #500 (June 1983) — The World of Doomed Olsens!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #2 (1992) — The World of Doomed Olsens!
-
Superman: The Amazing Transformations of Jimmy Olsen (DC, 2007 series) ([July] 2007) — The World of Doomed Olsens!
Synopsis
Jimmy is unknowingly subjected to an initiation test to join the Legion of Super-Heroes as an Honorary Member.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Lightning Lass; Triplicate Girl; Saturn Girl; Shrinking Violet; Sun Boy; Chameleon Boy; Lightning Lad; Superboy]; Night Girl
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #313.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Lightning Lass; Triplicate Girl; Saturn Girl; Shrinking Violet; Phantom Girl; Supergirl; Sun Boy; Mon-El; Superboy; Cosmic Boy; Chameleon Boy; Colossal Boy; Brainiac 5; Lightning Lad; Bouncing Boy]; Night Girl; Polar Boy; Satan Girl; Legion of Super-Pets [Comet; Streaky; Beppo; Krypto]
Credits
- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein
John Forte - Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #313.
Synopsis
After the female Legionnaires are struck by a mysterious Crimson Virus, Satan Girl wants to take their place. But when she attacks the girls, Supergirl tries to solve the mystery of who she is. Finally, Satan Girl is defeated by the Super-Pets and revealed to be an evil Red Kryptonite duplicate of Supergirl.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Mon-El; Saturn Girl]; Alaktor
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #314.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Saturn Girl; Lightning Lad; Bouncing Boy; Brainiac 5; Sun Boy; Mon-El; Superboy; Ultra Boy; Invisible Kid; Chameleon Boy; Shrinking Violet]; Alaktor; Ronn Kar; Nero; John Dillinger; Adolf Hitler
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #61 ([September 1964])
- From GCD
- from Adventure Comics (DC, 1938 series) #314.
Synopsis
Rejected Legion applicant Alaktor steals a Time Bubble and recruits the help of Nero, Dillinger, and Hitler. Alaktor switches Hitler's, Nero's, and Dillinger's minds with Superboy's, Mon-El's, and Ultra-Boy's. Saturn Girl tricks them into defeating each other, and the Legion forces Alaktor to undo the process.
Notes
First app of Ronn Kar.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Saturn Girl; Bouncing Boy; Sun Boy; Brainiac 5; Lightning Lad; Cosmic Boy; Chameleon Boy]; Legion of Substitute-Heroes [Night Girl; Stone Boy; Fire Lad; Chlorophyll Kid; Polar Boy]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Joe Letterese [splash and part 2]
?
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #315.
Synopsis
The Legion of Super-Heroes finds out about the Subs, and hold a contest to induct the winner into the Legion of Super-Heroes. Stone Boy wins the contest, but decides to stay with the Subs.
Notes
Legion of Substitute Heroes app. Bouncing Boy misidentified as Bouncing Girl in Roll Call.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Ultra Boy; Lightning Lad; Shrinking Violet; Chameleon Boy; Colossal Boy; Saturn Girl; Cosmic Boy; Lightning Lass; Sun Boy; Bouncing Boy]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #316.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Ultra Boy; Phantom Girl; Saturn Girl; Sun Boy; Brainiac 5; Mon-El; Lightning Lad; Chameleon Boy; Bouncing Boy; Cosmic Boy, Shrinking Violet; Element Lad; Colossal Boy; Invisible Kid; Lightning Lass]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #316 (January 1964) — Part I: The Renegade Super-Hero!
- Also printed
-
Giant Superboy Album (Colour Comics, 1965 series) #11 ([June 1974?]) — Part I: The Renegade Super-Hero!
-
Super Heroes Album (Murray, 1977 series) #13 ([July 1979?]) — Part I: The Renegade Super-Hero!
-
Adventure Comics (DC, 1938 series) #502 (August 1983) — Part I: The Renegade Super-Hero!
-
The Legion of Super-Heroes Archives (DC, 1991 series) #2 (1992) — Part I: The Renegade Super-Hero!
- From GCD
- from Adventure Comics (DC, 1938 series) #316.
Synopsis
When Ultra Boy appears to be an escaped convict, he is expelled from the Legion and has to flee the planet. But later Ultra Boy reveals that his faked criminal past was a ploy to infiltrate and lure a pirate band into custody.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Lightning Lad; Bouncing Boy; Shrinking Violet; Ultra Boy]; Dream Girl
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #317.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Saturn Girl; Lightning Lass [also as Light Lass]; Brainiac 5; Star Boy; Matter-Eater Lad; Superboy; Mon-El; Sun Boy; Triplicate Girl; Bouncing Boy; Lightning Lad; Ultra Boy; Shrinking Violet; Chameleon Boy]; Dream Girl
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #317.
Synopsis
Dream Girl joins the Legion and insists Lightning Lass be expelled when she loses her powers and demands Triplicate Girl be court-martialled for accusing her of causing Lightning Lass to lose her power. Even more Legionnaires are expelled before Dream Girl reveals to Star Boy that it was all a plot to prevent their deaths. Star Boy explains what she really foresaw and Dream Girl leaves the team to perfect her power.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Matter-Eater Lad; Triplicate Girl; Cosmic Boy; Light Lass; Star Boy; Lightning Lad]; Superboy (in inset)
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #318.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Cosmic Boy; Light Lass; Superboy (cameo); Mon-El (cameo); Lightning Lad; Star Boy; Matter-Eater Lad; Triplicate Girl]; Time Trapper (cameo)
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #318 (March 1964) — Part I: The Mutiny of the Legionnaires!
- Also printed
-
Superman Supacomic (Colour Comics, 1959 series) #64 (December 1964) — The Mutiny of the Legionnaires! Part I
-
Adventure Comics (DC, 1938 series) #503 (September 1983) — The Mutiny of the Legionnaires
-
The Legion of Super-Heroes Archives (DC, 1991 series) #3 (1993) — Part I: The Mutiny of the Legionnaires
- From GCD
- from Adventure Comics (DC, 1938 series) #318.
Synopsis
During a rescue mission, stress gets to Sun Boy, who sets the rest of the Legionnaires adrift in a lifeboat. The castaway Legionnaires find their way back to the rescue ship, now piloted by a catatonic Sun Boy.

Featuring
- Feature
- Superman's Pal Jimmy Olsen
- Genre
- Superhero
- Characters
- Superman; Elastic Lad [Jimmy Olsen]; Saturn Girl; Light Lass; Triplicate Girl
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
Reprint history
- From GCD
- from Superman's Pal Jimmy Olsen (DC, 1954 series) #76.

Featuring
- Feature
- Superman's Pal Jimmy Olsen
- Genre
- Superhero
- Characters
- Jimmy Olsen [also as Elastic Lad]; Legion of Super-Heroes [Light Lass; Saturn Girl; Triplicate Girl; Sun Boy; Ultra Boy]; Lucy Lane
Credits
- Script
- Jerry Siegel
- Art
- John Forte
Reprint history
- From GCD
- from Superman's Pal Jimmy Olsen (DC, 1954 series) #76.
Synopsis
The Legion girls bring Jimmy to the future to stage emergencies and make Lucy appreciate him.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Brainiac 5; Bouncing Boy; Chameleon Boy; Saturn Girl; Ultra Boy; Cosmic Boy; Triplicate Girl; Star Boy]
Credits
- Pencils
- Curt Swan
- Inks
- Shelly Moldoff
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #319.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Colossal Boy; Element Lad; Sun Boy; Shrinking Violet; Phantom Girl; Mon-El; Superboy; Bouncing Boy; Saturn Girl; Sun Boy; Chameleon Boy; Brainiac 5; Star Boy; Triplicate Girl; Invisible Kid; Lightning Lad; Cosmic Boy; Light Lass]; Legion of Substitute-Heroes [Fire Lad; Chlorophyll Kid; Polar Boy; Stone Boy; Night Girl]
Credits
- Script
- Edmond Hamilton
- Art
- John Forte
- Letters
- Milton Snapinn (splash and part 1)
?
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #319.
Synopsis
Isolationist planet Throon builds a citadel to keep others away and uses a ray to disable all passing spaceships. The first Legion team selected to take out the ray meets their defeat. The next two teams of Legionnaires also fail, but the Subs are able to put an end to the menace of Throon.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Mon-El; Dev-Em; Superboy
Credits
- Pencils
- Curt Swan
- Inks
- Shelly Moldoff
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #320.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy [also as Clark Kent]; Chameleon Boy; Mon-El; Element Lad; Saturn Girl; Lightning Lad; Sun Boy; Brainiac 5]; Dev-Em; Radiation Roy; Proty II; Krypto; Molock
Credits
- Script
- Jerry Siegel
- Pencils
- John Forte (pp.1-3, 10-17)
George Papp (pp.4-9) - Inks
- Sheldon Moldoff (pp.1-3, 10-17)
George Papp
Al Plastino (Superboy and Clark Kent faces only) - Letters
- Milton Snapinn
Reprint history
- First print
-
Adventure Comics (DC, 1938 series) #320 (May 1964) — Revenge of the Knave from Krypton! Part I
- Also printed
-
Superboy (DC, 1949 series) #177 (September 1971) — The Revenge of the Knave from Krypton! [The Revenge of the Knave of Krypton!]
-
Superman Supacomic (Colour Comics, 1959 series) #153 ([May 1972?]) — The Revenge of the Knave from Krypton
-
The Best of DC (DC, 1979 series) #44 (January 1984) — The Revenge of the Knave from Krypton! Part I
-
The Legion of Super-Heroes Archives (DC, 1991 series) #3 (1993) — Part I: The Revenge of the Knave from Krypton!
- From GCD
- from Adventure Comics (DC, 1938 series) #320.
Synopsis
Dev-Em arrives at Legion headquarters as a member of the Inter-Stellar Counter-Intelligence Corps on a mission to nab the elusive leader of the Cosmic Spy Legion, Morlock the Merciless, but loses the assignment to Superboy. Superboy successfully completes Dev-Em's mission, with Proty II's help.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Superboy; Lightning Lad; Saturn Girl; Star Boy; Mon-El]
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
- Letters
- Ira Schnapp
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #321.

Featuring
- Feature
- Tales of the Legion of Super-Heroes
- Genre
- Superhero
- Characters
- Legion of Super-Heroes [Sun Boy; Mon-El; Superboy; Shrinking Violet; Star Boy; Phantom Girl; Saturn Girl; Bouncing Boy; Element Lad; Ultra Boy; Chameleon Boy; Triplicate Girl; Brainiac 5; Colossal Boy; Matter-Eater Lad; Invisible Kid; Lightning Lad]; Time Trapper [also as Commissioner Wilson]
Credits
- Script
- Edmond Hamilton
- Pencils
- John Forte
- Inks
- John Forte
Al Plastino (Superboy's face only) - Letters
- Milton Snapinn
Reprint history
- From GCD
- from Adventure Comics (DC, 1938 series) #321.
Synopsis
The Legionnaires submit to tests of their ability to keep secret their greatest weapon from Commissioner Wilson. But Lightning Lad purposely fails his test to expose Commissioner Wilson as the Time Trapper.

Featuring
- Feature
- Legion of Super-Heroes
- Genre
- Superhero
Credits
- Pencils
- Curt Swan
- Inks
- George Klein
Reprint history
- Also printed
-
Giant Superman Album (Colour Comics, 1961 series) #3 (September 1963)
- From GCD
- from Superman Annual (DC, 1960 series) #4 (pp.1, 2)
Adventure Comics (DC, 1938 series) #316 (pp.3, 4).
Indicia
The indicia for this issue is not recorded. The identified publisher might be an associated or parent company, rather than the specific listed publisher.