Mesmero wreaks havoc once more when he switches the Spider-Man and Hulk's brains, but that's not the only thing the Wallcrawler has to contend with as he faces the ever-loving, blue-eyed Thing while in Hulk's body!
Watch an exclusive clip below to see how the Jade Giant acclimates to puny Peter Parker's body, and swing into the brain-swapping mayhem in "Marvel's Ultimate Spider-Man" this Sunday at 11:00 a.m. ET inside Marvel Universe on Disney XD!
