By Mike Bruno
Updated January 14, 2009 at 12:00 PM EST

Marvel Entertainment and director Jon Favreau are rumored to be considering Emily Blunt to play Natasha Romanoff (Black Widow) in the upcoming Iron Man sequel, according to Variety. The character is a Soviet spy who doubles supervillain Black Widow, known for her tight black costume loaded with high-tech weapons. Mickey Rourke and Sam Rockwell are already set to play villains in the project, which will start production this spring for a 2010 release.