Doc Samson joins Betty Ross in searching for a cure for Bruce Banner, but what dark secret will push Bruce over the edge? Later, Bruce's guide in his search for the mystical amulet of Cyttorak turns out the be the Juggernaut himself! After that fiasco, Bruce heads to the Baxter Building, hoping Mr. Fantastic can help him. But, Thing is the only one home, and Thing thinks Hulk is nothing but trouble. On top of that, Hulk, Doc Samson, Thing, and Juggernaut are teleported to an alien arena to fight The Champion of the universe!