| 247 | Adventure Comics | 1st Appearance of Cosmic Boy; 1st Appearance of Cosmic Boy (Rokk Krinn); 1st appearance of Legion of Super-Heroes; 1st Appearance of Legion of Super-Heroes; 1st appearance of Lightning Lad; 1st Appearance of Lightning Lad (Garth Ranzz); 1st appearance of Saturn Girl; 1st Appearance of Saturn Girl (Imra Ardeen); Origin of Cosmic Boy (Rokk Krinn); Origin of Legion of Super-Heroes; Origin of Lightning Lad (Garth Ranzz); Origin of Saturn Girl (Imra Ardeen); Superboy joins team |
| 17 | DC Super-Stars | 1st appearance of Huntress (Helena Wayne); Origin of Huntress (Helena Wayne); Origin of Green Arrow (Oliver Queen); Origin of Legion of Super-Heroes |
| 297 | Legion of Super-Heroes, The (2nd Series) | Origin of Legion of Super-Heroes |
| 297/NS | Legion of Super-Heroes, The (2nd Series) | Origin of Legion of Super-Heroes |
| 0 | Legion of Super-Heroes (4th Series) | Origin of Legion of Super-Heroes; Revised origin of Legion of Super-Heroes; Continues in Legion of Super-Heroes (4th series) #62 and Legionnaires #19 |
| 0/NS | Legion of Super-Heroes (4th Series) | Origin of Legion of Super-Heroes; Continues in Legion of Super-Heroes (4th series) #62 and Legionnaires #19; Revised origin of Legion of Super-Heroes |
| 46 | Secret Origins (3rd Series) | 1st appearance of Arm Fall Off Boy; Origin of Justice League of America Headquarters; Origin of Legion of Super-Heroes Clubhouse; Origin of Teen Titans Headquarters; Blueprints of Teen Titans Headquarters; Legion of Super-Heroes Headquarters |
| 46/NS | Secret Origins (3rd Series) | 1st appearance of Arm Fall Off Boy; Origin of Justice League of America Headquarters; Origin of Legion of Super-Heroes Clubhouse; Origin of Teen Titans Headquarters; Blueprints of Teen Titans Headquarters; Legion of Super-Heroes Headquarters |
| 1 | Secrets of the Legion of Super-Heroes | Origin of the Legion of Super-Heroes; Origin of Cosmic Boy; Origin of Saturn Girl; Origin of Lightning Lad; Origin of Light Lass; Origin of Lightning Lord; Origin of Duo Damsel; Origin of Phantom Girl; Origin of Colossal Boy; Origin of Star Boy; Origin of Legion of Super-Heroes |
| 1/NS | Secrets of the Legion of Super-Heroes | Origin of Colossal Boy; Origin of Cosmic Boy; Origin of Duo Damsel; Origin of Legion of Super-Heroes; Origin of Light Lass; Origin of Lightning Lad; Origin of Lightning Lord; Origin of Phantom Girl; Origin of Saturn Girl; Origin of Star Boy; Origin of the Legion of Super-Heroes |
| Anl 4 | Superman (1st Series) | Reprints from Superboy #47; Origin of Legion of Super-Heroes; Superboy; Superman; Winter 1961 |
| 342 | Tales of the Legion | Reprints Legion of Super-Heroes (3rd Series) #17; Origin of Legion of Super-Heroes; Legionnaires’ Fact File |
| 342/NS | Tales of the Legion | Reprints Legion of Super-Heroes (3rd Series) #17; Origin of Legion of Super-Heroes; Legionnaires’ Fact File |