- Script
- John Ostrander (credited)
- Pencils
- Tom Mandrake (credited)
- Inks
- Tom Mandrake (credited)
- Colors
- Carla Feeny (credited); Heroic Age (credited) (separations)
- Letters
- Bill Oakley (credited)
- Genre
- superhero
- Characters
- Martian Manhunter (origin); Ma'alefa'ak (introduction); M'yri'ah (introduction?, J'onn's wife, death); K'hym (introduction?; J'onn's daughter, death); Dr. Erdel; Det. John Jones (introduction, dies); JLA [Superman; Batman; Wonder Woman]
- Synopsis
- The Martian Manhunter tells Superman of the death of Mars and how he came to Earth.
- Reprints
Most of this issue is a flashback retelling (with new details) the origin of J'onn J'onzz, the Martian Manhunter.