Justice League of America — DC Comics
Issue: #71
The Martian Manhunter battles General Blanx and the population of Mars leaves to colonize another planet. J'onn J'onzz goes with them-and leaves the League!The Martian Manhunter leaves the JLA in this story entitled, "And So My World Ends!" The story begins as Diana Prince (formerly Wonder Woman - but who has now lost her powers and is on leave of absence from the JLA since #69) and her mentor Chi...
First appearances: Commander Blanx
Creators: Dennis O'Neil, Julius Schwartz, Sid Greene, Dick Dillin
Characters: Batman, Superman, Martian Manhunter, Hal Jordan, Barry Allen, Wonder Woman, Green Arrow, Ray Palmer, Commander Blanx, I-Ching, Katar Hol, Dr. Erdel