Thora's world is about to explode in Marvel's Thora: Ragnarok. Her devious sister, Loki, has taken over Asgard, the powerful Heli has emerged to steal the throne for himself and Thora is imprisoned on the other side of the universe. To escape captivity and save her home from imminent destruction, Thora must first win a deadly alien contest by defeating her former ally and fellow Avenger... The Incredible She-Hulk!
