| 0 | Secret Origins of the Legion of Super-Heroes and Some Super-Villains, Too! | cover | 2 | pencils: Keith Giffen; inks: Mike DeCarlo; letters: Gaspar Saladino | Legion of Super-Heroes [Lightning Lad; Light Lass; Dawnstar; Wildfire; Timber Wolf]; Grimbor; The Infinite Man |
| 1 | Secret Origins of the Legion of Super-Heroes and Some Super-Villains, Too! | table of contents | 1 | script: Nicola Cuti | |
| 2 | Part I: The Lone Wolf Legionnaire! | comic story | 8 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte | Legion of Super-Heroes [Sun Boy; Light Lass; Chameleon Boy; Cosmic Boy; Matter-Eater Lad; Saturn Girl; Superboy; Mon-El; Ultra Boy; Lightning Lad; Brainiac 5]; Lone Wolf |
| 3 | Part II: The Youth Who Wasn't Human! | comic story | 7 | script: Edmond Hamilton; pencils: John Forte; inks: John Forte | Legion of Super-Heroes [Light Lass; Cosmic Boy; Mon-El; Chameleon Boy; Sun Boy; Brainiac 5; Ultra Boy; Lightning Lad]; Lone Wolf |
| 4 | The One-Shot Hero! | comic story | 9 | script: Cary Bates; pencils: Dave Cockrum; inks: Dave Cockrum | Legion of Super-Heroes [Phantom Girl; Chemical King; Shrinking Violet; Mon-El; Princess Projectra; Chameleon Boy; Colossal Boy; Bouncing Boy]; Erg-1 |
| 5 | Dawnstar Rising | comic story | 12 | script: Paul Kupperberg, Paul Levitz; pencils: James Sherman; inks: Bob McLeod; colors: Adrienne Roy; letters: Shelly Leferman | |
| 6 | Brotherly Hate! | comic story | 7 | script: E. Nelson Bridwell; pencils: George Tuska; inks: George Tuska | Legion of Super-Heroes [Lightning Lad; Timber Wolf; Light Lass; Cosmic Boy; Saturn Girl]; Superboy; Lightning Lord; R. J. Brande |
| 7 | The Trillion-Dollar Trophies, Part 1: The Living Key | comic story | 6 | script: Jim Shooter; pencils: Mike Grell; inks: Bob Wiacek | |
| 8 | [The Trillion-Dollar Trophies] Chapter 2: Charma and the Chain-Maker | comic story | 6 | script: Jim Shooter; pencils: Mike Grell; inks: Bob Wiacek | |
| 9 | [The Trillion-Dollar Trophies] Part 3: Divided and Conquered | comic story | 5 | script: Jim Shooter; pencils: Mike Grell; inks: Bob Wiacek | |
| 10 | The Infinite Man Who Conquered the Legion! | comic story | 24 | script: Paul Levitz; pencils: James Sherman; inks: Bob Wiacek; colors: Liz Berube; letters: Ben Oda | |
| 11 | The Origins and Powers of the Legionnaires | character profile | 8 | script: Paul Levitz; pencils: James Sherman; inks: Jack Abel | |
| 12 | Cover - Superboy & the Legion Super-Heroes #233 | cover reprint (on interior page) | 1 | pencils: Mike Grell; inks: Mike Grell; editing: Denny O'Neil | |
| 13 | Cover - Superboy #221 | cover reprint (on interior page) | 1 | pencils: Mike Grell; inks: Mike Grell; editing: Murray Boltinoff, Jack C. Harris | |
| 14 | Cover - Adventure Comics #327 | cover reprint (on interior page) | 1 | pencils: Curt Swan; inks: George Klein; editing: Mort Weisinger | Superboy; Jonathan Kent |
| 15 | - | promo (ad from the publisher) | 1 | pencils: Brian Bolland; inks: Brian Bolland | |
| 16 | The Story Behind the Stories | text article | 1 | script: Paul Levitz | |