For questions about "Thor: The Dark World", the 2013 American superhero film featuring the Marvel Comics character Thor. This film is part of the Marvel Cinematic Universe, and questions about it should also have the [marvel-cinematic-universe] and [marvel] tags.
This is the sequel to the film Thor (2011).
Thor: The Dark World:
Faced with an enemy that even Odin and Asgard cannot withstand, Thor must embark on his most perilous and personal journey yet, one that will reunite him with Jane Foster and force him to sacrifice everything to save us all.
See Wikipedia for spoilers.