Thor: God of Thunder is SEGA's videogame tie-in to this summer's highly anticipated superhero epic from director Kenneth Branagh. Featuring the voices and likenesses of Chris Hemsworth as Thor, Anthony Hopkins as Odin, and Tom Hiddleston as Loki, SEGA has released a prologue trailer to the game, which you can check out below. Watch as Odin bestows Mjolnir upon Thor, while Loki calls upon the Frost Giants.