Challengers of the Unknown #53
In "Who Is the Traitor Among Us?", the Challengers of the Unknown are lured to a ruined lab by a cryptic message from Scientist X, only to be ambushed by Dimension-Man and his resurrected ally, the Iron Dictator. With clues leading to hidden inventions and a sinister trap set to turn the team against itself, the Challs must stay sharp as deception and danger collide. Written by Ed Herron and brought to life with bold art by Bob Brown (pencils and inks), this 1966 issue features a cover by Bob Brown that captures the mystery and menace of the moment.
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Brought to a trashed laboratory, the Challengers hear a message from Scientist X telling the team they can find his valuable inventions by solving three clues. The Challs are bushwhacked by Dimension-Man, who wants the inventions for himself. To help him, D-Man pulls out of limbo the Iron Dictator. After the Challs decode the clues to the location of the inventions, Iron Dictator distracts them and D-Man knocks them out, making it appear that one of them is a traitor. But the Challs refuse to fall for it, defeat the Iron Dictator's neo-Nazis, and make Scientist X's headquarters their new home.
Plot details indexed by the Grand Comics Database (CC BY-SA).