| Issue | #0 |
| Published | October 1998 |
| Cover Price | 1.99 |
| Pages | 36 |
| Editing | Jenette Kahn (editor-in-chief), Peter Tomasi |
| Characters | Martian Manhunter, Superman, Wonder Woman, Green Lantern |
| Genre | superhero |
| Pencils | Tom Mandrake |
| Inks | Tom Mandrake |
| Characters | Martian Manhunter (origin), Ma'alefa'ak (intro), M'yri'ah & K'hym (intro?; J'onn's wife & daughter; both die), Dr. Erdel, Det. John Jones (intro; dies), JLA (Superman, Batman, Wonder Woman) |
| Synopsis | The Martian Manhunter tells Superman of the death of Mars and how he came to Earth |
| Genre | superhero |
| Script | John Ostrander |
| Pencils | Tom Mandrake |
| Inks | Tom Mandrake |
| Colors | Carla Feeny, Heroic Age (separations) |
| Letters | Bill Oakley |
| Notes | Most of this issue is a flashback retelling (with new details) the origin of J'onn J'onzz, the Martian Manhunter |