Washington, Jan 15 (ANI): Hollywood actress Emily Blunt has emerged as one of the front-runners to play femme fatale Black Widow in the upcoming Iron Man sequel.

The Devil Wears Prada is tipped to portray Russian spy Natasha Romanoff in the film, to be directed by Jon Favreau.

She’’s a Soviet superspy who doubles as Black Widow, a beauty in a skin-tight black costume enhanced by high-tech weaponry, reports Variety magazine.

American actor Mickey Rourke is in talks to play Crimson Dynamo, a Russian arms dealer, whos considered to be an evil version of Iron Man because he battles the superhero in a nuclear-powered suit of armor,

Iron Man 2 will begin production in the spring for release by Paramount in summer 2010. (ANI