Challengers of the Unknown — DC Comics
Issue: #31
Last valuation update: 2026-09-09
Challengers of the Unknown (1958) #31 is published by DC Comics and was released in May 1963. View cover art, issue details, and related characters and contributors.
First appearances: Barton, Domingo
Creators: Arnold Drake, Murray Boltinoff, Bob Brown
Characters: Ace Morgan, Prof Haley, Red Ryan, Rocky Davis, Barton, Domingo