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| Publisher |
DC |
| Writer |
Paul Kupperberg |
| Inker |
Al Vey |
| Colorist |
Julianna Ferriter |
| Letterer |
Albert De Guzman |
| Published | July 1990 |
Cypher's running some deadly tests of its robotic Bishop corps, creating mayhem on his way to fulfilling his master plan. Will Winston O'Donnell save the day...or quit Checkmate forever?
