Before you ask if it's Comic Book Related.
Variety is reporting that Gemma Arterton has been casted as Gretel, an older version of the classic folklore along side with her brother, Hansel played by Jeremy Renner, as a bounty hunter specializing in bringing down witches. The Movie is directed by Tommy Wirkola and is being released by Paramount Picture's. The movie's title is Hansel and Gretel: Witch Hunters.
Variety is also reporting that the filming will take place in the eight weeks between the currently-shooting Mission Impossible: Ghost Protocol and Renner's next major project The Avengers.