| Issue | #39 |
| Published | June 1990 |
| Frequency | monthly |
| Cover Price | 1.00 USD; 1.25 CAD; 0.50 GBP |
| Pages | 36 |
| Editing | Andrew Helfer |
| Characters | Martian Manhunter [J'onn J'onzz]; Despero |
| Genre | Superhero |
| Pencils | Adam Hughes (signed) |
| Inks | Joe Rubinstein (signed) |
| Colors | Bob LeRose |
| Notes | Cover credits listed on letters page. |
| Characters | Justice League America [Blue Beetle [Ted Kord]; Fire; Guy Gardner; Ice; Martian Manhunter [J'onn J'onzz]; Mister Miracle]; Despero; Gypsy |
| Synopsis | The JLA battle Despero. |
| Genre | Superhero |
| Script | Keith Giffen (plot); J. M. DeMatteis (script) |
| Pencils | Adam Hughes |
| Inks | Joe Rubinstein |
| Colors | Gene D'Angelo |
| Letters | Bob Lappan |