Challengers of the Unknown (1958-) #7

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?

Written By:
Jack Kirby
Pencils:
Jack Kirby
Inks:
Wally Wood
Cover By:
Jack Kirby