Challengers of the Unknown — DC Comics
Issue: #7
Last valuation update: 2026-09-09
An explorer calls on the Challengers to help him subdue three alien creatures: a giant armadillo-like creature, a giant jelly-fish, and a giant fire-breathing bird. Can the Challengers help catch these creatures or will it be their doom?
First appearances: Anton Zammer
Creators: Jack Kirby
Characters: Ace Morgan, June Robbins, Prof Haley, Red Ryan, Rocky Davis, Anton Zammer