After the massive success of The Avengers, Marvel is kicking off Phase 2 in earnest as they look towards summer 2015′ sequel to that massive film. But first we’ll be treated to some stand alone sequels, one of which is Thor: The Dark World, which just dropped an intriguing teaser trailer. This film sees Thor fighting to restore order across the cosmos…but an ancient race led by the vengeful Malekith returns to plunge the universe back into darkness. 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. Check it out after the jump!