Written by Scott Snyder and Aaron Gillespie. Art by Andy Kubert, V Ken Marion, Sandu Flores and Klaus Janson. Cover by Andy Kubert. It's the New Challengers versus the Old Challengers! The original Challengers infiltrate Challengers Mountain to uncover the identity of the professor who's been manipulating both teams! As dark matter leaks from the Dark Multiverse, the New Challengers travel to the prehistoric underworld of Skartaris, stomping grounds of Travis Morgan, the Warlord!