Challengers of the Unknown — DC Comics
Issue: #62
Last valuation update: 2022-08-03
First appearances: Madoga, Count Karnak, Hordred, Kaftu, Tukamenon, Vera Wycker
Characters: Ace Morgan, Prof Haley, Red Ryan, Rocky Davis, Madoga, Count Karnak, Hordred, Kaftu, Tukamenon, Vera Wycker