'Thor: Ragnarok' opens the mystery box to flood fans with BRAND NEW casting information

Hold on to your butts. Marvel just announced an all-star cast for the Taika Waititi directed Thor: Ragnarok that includes Cate Blanchett, Jeff Goldblum, Karl Urban, and Mark Ruffalo. They've also revealed who the new actors are playing as well as named Creed's Tessa Thompson as Valkyrie.