Thor's villainous uncle Loki has escaped Asgard to search for Yggdrasil - The Tree of the Nine Realms. The tree holds the power of the Universe and is hidden away on Earth. With the help of giant wolf god Fenrir, Loki plans to destroy the tree and replant it in his image, giving him dominion over all. Now Thor must fol…

　　一组科学家必须与时间赛跑，以阻止一系列似乎预示着可能的灾难的全球性灾难。