| Issue | #25 |
| Published | February 1990 |
| Cover Price | 1.50 |
| Pages | 36 |
| Editing | Jonathan Peterson |
| Characters | Checkmate; Peacemaker; Bishop |
| Genre | Superhero; Detective |
| Pencils | Steve Erwin |
| Inks | Michael Bair |
| Characters | FEATURE: Checkmate [Winston O'Donnell; Jacques Reynard]; GUESTS: Peacemaker; Harry Stein; Val Vostok; Harvey Bullock; Sarge Steel; VILLAINS: Bishop; Flowers; Andre Mazarin; CAMEOS: Green Arrow; The Question; El Diablo; Huntress |
| Synopsis | Flowers is hired to kill Checkmate's scientist and all forces converge on the battle; The Bishop traitor is revealed. |
| Genre | Superhero; Detective |
| Script | Paul Kupperberg |
| Pencils | Steve Erwin |
| Inks | Al Vey |
| Colors | Julianna Ferriter |
| Letters | Albert DeGuzman |