| 1 | Legends of the Legion | Origin of Ultra Boy |
| 1/NS | Legends of the Legion | Origin of Ultra Boy |
| 2 | Secrets of the Legion of Super-Heroes | Origin of Brainiac 5; Origin of Shrinking Violet; Origin of Sun Boy; Origin of Bouncing Boy; Origin of Ultra Boy; Origin of Matter Eater Lad; Origin of Mon-El; Origin of Dream Girl; Origin of Element Lad; Origin of Karate Kid; Origin of Princess Projectra; Origin of Shadow Lass; Origin of Timber Wolf; Origin of Brainiac 5, Shrinking Violet, Sun-Boy, Bouncing Boy, Ultra-Boy, Matter Eater Lad, Mon-El & Dream Girl; Origin of Branic 5, Shrinking Violet, Sun-Boy, Bouncing Boy, Ultra-Boy, Matter Eater Lad, Mon-El & Dream Girl |
| 2/NS | Secrets of the Legion of Super-Heroes | Origin of Bouncing Boy; Origin of Brainiac 5; Origin of Brainiac 5, Shrinking Violet, Sun-Boy, Bouncing Boy, Ultra-Boy, Matter Eater Lad, Mon-El & Dream Girl; Origin of Branic 5, Shrinking Violet, Sun-Boy, Bouncing Boy, Ultra-Boy, Matter Eater Lad, Mon-El & Dream Girl; Origin of Dream Girl; Origin of Element Lad; Origin of Karate Kid; Origin of Matter Eater Lad; Origin of Mon-El; Origin of Princess Projectra; Origin of Shadow Lass; Origin of Shrinking Violet; Origin of Sun Boy; Origin of Timber Wolf; Origin of Ultra Boy |
| 98 | Superboy (1st Series) | 1st appearance of Marla; 1st Appearance of Ultra Boy; Origin of Ultra Boy |