Justice League of America — DC Comics
Issue: #260
J'onn J'onzz, the Manhunter From Mars, battles a murderous android. As the android defied it's programming to kill the Gypsy, the Martian Manhunter attempts to reason with it. The android, however, is not conflicted regarding murdering J'onn J'onzz, the Manhunter From Mars. The Martian Manhunter attempts to probe the android's mind, to discern the location of it's creator, Professor Ivo. The memor...
Creators: Albert De Guzman, J.M. DeMatteis, Gene D'Angelo, Bill Wray, Steve Montano, Luke McDonnell, Andrew Helfer
Characters: Martian Manhunter, Gypsy, Vixen, Zatanna, Commander Steel, Professor Ivo, Hank Heywood
Story arcs: Legends, The End of the Justice League