The 28-year-old actress will appear opposite /*Christian Bale*/, who's returning as Bruce Wayne and Batman. The studio also announced that Tom Hardy, whom Christopher Nolan directed in last year's "Inception," will play one of Batman's enemies, Bane.
"/*The Dark Knight Rises*/" is slated for release on July 20, 2012.
Hathaway will co-host the 2011 /*Academy Awards*/ with /*James Franco*/ on Feb. 27.
The Associated Press contributed to this report.
