Issue: #12
Last valuation update: 2026-09-03
Note: The cover is a homage to the cover of Justice League of America (v.1) #21.
First appearances: Baron Brain, Hummingbird, Clone Boy, Mr. Martian, Jupiter Boy
Characters: Savage Dragon, The Beacon, Dexter Cortex, Baron Brain, Kid Galahad, Hummingbird, Clone Boy, Ultragirl, Grandfather Clock, The Blitz, The Atomic Sub, Dr. Hy Q. Binana, Mr. Martian, Horde, Ultiman, Knight Watchman, Jupiter Boy, Mighty Man, Dr. Weird, Wicked Worm