The warrior Thor (Hemsworth) is cast out of the fantastic realm of Asgard by his father Odin (Hopkins) for his arrogance and sent to Earth to live among humans. Falling in love with scientist Jane Foster (Portman) teaches Thor much-needed lessons, and his new-found strength comes into play as a villain from his homeland sends dark forces toward Earth.

The reckless Thor (Chris Hemsworth) son of Odin (Anthony Hopkins), challenges his brother's claim to the throne of Asgard. To teach him humility , Odin casts the young warrior down to Earth to live among humans. Robbed of his powers, Thor falls in love with a scientist Jane Foster (Natalie Portman). While Thor's brother; Loki usurps the throne of Asgard for evil gain and plans revenge, Thor's love for Jane and his lessons of humility turn him into the true hero and legendary and immortal warrior-defender of the peoples of the Earth saving them from destruction.