| Issue | #24 |
| Published | January 1990 |
| Cover Price | 1.50 |
| Pages | 36 |
| Editing | Jonathan Peterson |
| Characters | Checkmate; Bishop |
| Genre | Superhero; Detective |
| Pencils | Steve Erwin |
| Inks | Steve Erwin |
| Notes | Erwin credits confirmed from solicitation. |
| Characters | FEATURE: Checkmate [Winston O'Donnell; Jacques Reynard]; GUESTS: Peacemaker; Harry Stein; VILLAINS: Flowers; Andre Mazarin |
| Synopsis | Peacemaker continues his investigation into the dead scientists; Checkmate begins investigating which one of them may have turned traitor and become Bishop. |
| Genre | Superhero; Detective |
| Script | Paul Kupperberg |
| Pencils | Steve Erwin |
| Inks | Al Vey |
| Colors | Julianna Ferriter |
| Letters | Jonnie Mac |