'BANNER OF WAR' PART 4 Thor and Hulk's epic rivalry continues in the fourth installment of the characters' 60th Anniversary crossover celebration! Thanks to Odin, Thor now realizes the gravity of Banner's situation - and its connection to that mysterious, violent incident in El Paso. But when Iron Man's interference causes more harm than good, our two rivals face shocking changes that change the stakes of the battle…for good. RATED T+