A new trailer of 'Thor: Raganok' was revealed at Comic-Con alongside a new poster, featuring its lead stars Chris Hemsworth, Cate Blanchett, Tom Hiddleston and Mark Ruffalo. Director Taika Waititi, Hemsworth and the rest of the cast unveiled the 2 minutes and 35 seconds trailer on Saturday which features Thor (Hemsworth) and Hulk (Ruffalo) battling each other before becoming friends again.