This November the third installment of the Marvel's Thor series hits theaters. Chris Hemsworth returns as the Thunder God and he is joined by Mark Ruffalo, who plays the Hulk who has been M.I.A. since Avengers: Age of Ultron. Ragnarok, which is the Norse mythology version of the apocalypse, is coming to Asgard in the form of the death goddess Hela, played by Kate Blanchett. She plans to lay waste to Thor's home and he rallies a group of powerful friends, including his sometimes evil brother Loki, to defend his realm.