Red alert! There's a sadistic new red-skinned Hulk in the Marvel Universe, with keen intelligence and a radioactive touch! Who or what is he? And with Marvel's heroes powerless against him, will it take a Hulk to catch a Hulk? It's an explosive battle as the red and green Hulks collide! But even as Bruce Banner is attacked by a pack of wild Wendigos, She-Hulk recruits a cavalry of super heroines including Valkyrie, Thundra, Ms. Marvel and Storm! Plus: the Defenders are reassembled to take down the Red Hulk, but he's got a team of his own!