| Cover Artist | Curt Swan, George Klein |
| Editor | Mort Weisinger, Whitney Ellsworth |
| Inker | George Klein, Frank Bolle |
| Penciler | Curt Swan, Frank Bolle |
| Writer | Cary Bates, Jerry Coleman |
| Genre | Superhero |
| Published in | Sparta, Illinois |
| Pages | 32 |
| Characters | Superman (Kal-El) (Earth 1), Batman (Bruce Wayne) (Earth 1), Robin (Dick Grayson) (Earth 1), Legion of Super-Heroes (Adult Legion):, Brainiac 5 (Querl Dox) (Pre-Zero Hour), Cosmic Man (Rokk Krinn) (Pre-Zero Hour), Saturn Woman (Imra Ardeen) (Pre-Zero Hour), Element Lad (Jan Arrah) (Pre-Zero Hour) (Flashback only), Robotman (Robert Crane) |
| Story Location | Metropolis; Superman Museum, New Jersey: Gotham City; Wayne Manor, Batcave |
| Notes | 2nd Story: Reprinted Issue:
Detective Comics Vol 1 #176, October, 1951; "The Testing of Robotman!" |