The new trailer for Marvel Studios' Phase Two sequel Thor: The Dark World is set to debut on Wednesday, August 7th during YouTube's Geek Week event, slated to run from August 4 through August 10. It isn't known if the trailer will include footage shown during the Marvel Studios Comic-Con 2013 panel last week.

Chris Hemsworth reprises his role as Thor, who must stop the nefarious Malekith the Accursed (Christopher Eccleston) from destroying Earth and all of the Nine Realms. The sequel also stars Natalie Portman, Ray Stevenson, Kat Dennings, Anthony Hopkins, Anthony Hopkins, Idris Elba, Zachary Levi, and Chris O'Dowd.

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Alan Taylor is directing from a screenplay by Don Payne, Christopher Yost, Christopher Markus, and Stephen McFeely.