Marvel's  Thor: The Dark World  continues the big-screen adventures  of Thor, the Mighty Avenger, as he battles to save Earth and all the  Nine Realms from a shadowy enemy that predates the universe itself.  In  the aftermath of Marvel's  Thor  and  Marvel's The Avengers,  Thor  fights to restore order across the cosmos...but an ancient race led by  the vengeful Malekith returns to plunge the universe back into darkness.  To defeat an enemy that even Odin and Asgard cannot withstand, Thor  sets upon his most dangerous and personal journey yet, forced into an  alliance with the treacherous Loki to save not only his people and those  he loves...but our universe itself.  Starring Chris Hemsworth,  Natalie Portman, Tom Hiddleston, Stellan Skarsg&aring;rd, Idris Elba,  Christopher Eccleston, Adewale Akinnuoye-Agbaje, Kat Dennings, Ray  Stevenson, Zachary Levi, Tadanobu Asano, and Jaimie Alexander with Rene  Russo and Anthony Hopkins as Odin, Marvel's 'Thor: The Dark World' is  directed by Alan Taylor, produced by Kevin Feige, p.g.a., from a story  by Don Payne and Robert Rodat and screenplay by Christopher L. Yost and  Christopher Markus and Stephen McFeely, and is based on Marvel's classic  Super Hero Thor, who first appeared in the comic book 'Journey into  Mystery' #83 in August, 1962.  Marvel's  Thor: The Dark World   continues the big-screen adventures of Thor, the Mighty Avenger, as he  battles to save Earth and all the Nine Realms from a shadowy enemy that  predates the universe itself.