The epic adventure "Thor" spans the Marvel Universe from present day Earth to the mystical realm of Asgard. At the center of the story is The Mighty Thor, a powerful but arrogant warrior whose reckless actions reignite an ancient war. As a result, Thor is banished to Earth, where he is forced to live among humans. When the most dangerous villain of his world sends its darkest forces to invade Earth, Thor learns what it takes to be a true hero.