| Characters |
Cosmic Boy; Saturn Girl (cameo); Phantom Girl (cameo); Colossal Boy (cameo); Star Boy (cameo); Sun Boy (cameo); Bouncing Boy (cameo); Timber Wolf (cameo); Dream Girl (cameo); Light Lass (cameo); Matter-Eater Lad (cameo); Mon-El (cameo); Colossal Boy (cameo)]; Mordru; Pol Krinn |
| Synopsis |
Mordru makes a duplicate of Cosmic Boy and Superboy must determine which of the two is the real Cosmic Boy. |
| Genre |
Superhero |
| Script |
Cary Bates |
| Pencils |
George Tuska |
| Inks |
George Tuska |
| Letters |
Ben Oda |
| Notes |
Lettering credit from reprint in Legion Archives. Includes a flashback to Superboy's admission to the Legion with several Legionnaires who were not members at the time. |
| Reprinted |
in The Legion of Super-Heroes Archives (1991 series) #10 |