| Unofficial Adventure Comics Index |
Credits:
| Story | Otto Binder |
| Art | Al Plastino |
| Assistant editing | E. Nelson Bridwell |
| Editing | Mort Weisinger |
Feature Character(s):
- Superboy (last in Superboy Vol. 1 #64/3; in Superboy Vol. 1 #204 in between pages 10 and 11)
Guest Star(s):
- Legion of Super-Heroes (first appearance)
- Cosmic Boy (Rokk Krinn; first appearance; last chronological appearance in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
- Saturn Girl (Imra Ardeen; first appearance; last chronological appearance in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
- Lightning Lad (Garth Ranzz; first appearance; last chronological appearance in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
Supporting Character(s):
- Jonathan Kent (in between Superboy Vol. 1 #63/3 and #65)
Guest Appearance(s):
- Chameleon Boy (Reep Daggle; behind the scenes; last in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
- Colossal Boy (Gim Allon; behind the scenes; last, behind the scenes, in Action Comics #276/2; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
- Invisible Kid (Lyle Norg; behind the scenes; last in Action Comics #267/2; next in flashback in issue #323)
- Phantom Girl (Tinya Wazzo; behind the scenes; last in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in Action Comics #290/2)
- Shrinking Violet (Salu Digby; behind the scenes; last in Action Comics #276/2; next in flashback in issue #301/2)
- Triplicate Girl (Luornu Durgo; behind the scenes; last in Action Comics #276/2; next in flashback in issue #323)
- Brainiac 5 (Querl Dox; behind the scenes; last in flashback in issue #290; in Superboy Vol. 1 #204 in between pages 10 and 11; next in flashback in issue #323)
Other Character(s):
- a teacher in the 30th Century (first appearance)
Location(s):
- Space Sector 2814
- Earth
- Smallville (in 20th and 30th Centuries)
- Legion Headquarters (first appearance)
- Smallville (in 20th and 30th Centuries)
- Earth
Comment(s):
- A number of Legionnaires were originally shown as background characters, though obviously not those we are familiar with. It is only through later stories and flashbacks that we can determine who may have been present during the first meeting with Superboy.
Story Reprinted in:
- Superman Annual #6/4 (winter 1962-1963) [Lightning Boy changed to Lightning Lad and final page cut]
- DC Special Blue Ribbon Digest #1 (March-April 1980)
- Adventure Comics #491 (September 1982)
- Legion of Super-Heroes Archives #1 (1991)
- DC Silver Age Classics Adventure Comics 247 (1992)
- Millennium Edition: Adventure Comics No. 247 (November 2000)
- World's Best Comics: Silver Age Sampler (2004)
- Showcase Presents: Legion of Super-Heroes #1 ([April] 2007)
- Legion of Super-Heroes: 1,050 Years of the Future ([June] 2008)
- Adventure Comics Vol. 3 #0 (April 2009)
- DC Comics Presents: Legion of Super-Heroes #2 (February 2012)
- Legion of Super-Heroes: The Silver Age Omnibus #1 (2017)
Solicitation:
- First appearance of the Legion of Super-Heroes! Superboy encounters the Legion of Super-Heroes--super-powered teens from the future that want to initiate the Boy of Steel into the group. But can Superboy pass the tests put before him?
Credits:
| Story | Ed Herron |
| Art | George Papp |
| Editing | Mort Weisinger |
Feature Character(s):
- Green Arrow (last in World's Finest Comics #93/2; next in issue #248/2)
Supporting Character(s):
- Speedy (last in World's Finest Comics #93/2; next in issue #248/2)
Villain(s):
- two jewelry store robbers (first appearance)
- two vandals (first appearance)
- a sneak thief (first appearance)
- four thieves (first appearance)
- C. M. Hawkins (first appearance; attorney for the late J.J. Brandon's estate)
Story Reprinted in:
- DC Silver Age Classics Adventure Comics 247 (1992)
- Millennium Edition: Adventure Comics No. 247 (November 2000)
Credits:
| Story | Jack Miller |
| Art | Ramona Fradon |
| Editing | Mort Weisinger |
Feature Character(s):
Supporting Character(s):
Story Reprinted in:
- DC Silver Age Classics Adventure Comics 247 (1992)
- Millennium Edition: Adventure Comics No. 247 (November 2000)