Decades after the events of The Invaders, Loki manipulates Thor leading to his banishment from Asgard. Loki seeking the throne of Asgard further manipulates events causing the banished Thor to forget his true identity.
Thor lives on earth for years as a paraplegic doctor named Donald Blake.
When a Frost Giant invasion threatens the nine realms during the Odinsleep and Asgardian winter, With Odin incapacitated, Loki assumes the throne in Thor's absence.
Lady Sif and the Warriors three, having no confidence in Loki, starts a plan to restore Thor's memory and bring him to Asgard to stop The Frost Giants.
Loki learning of this treason starts interfering in their plan.
END CREDIT SCENES: Enchantress spies on Thor, Valkyrie meets with Enchantress.
Loki on earth.
