Scarlett Johansson is reportedly in talks to star in the blockbuster 'Iron Man 2'. Entertainment Weekly claims that the “Vicky Cristina Barcelona” star has been approached by movie bosses to portray Russian spy Natasha Romanoff, aka The Black Widow, in the sequel of the film. Actress Emily Blunt was slated to play the role but may be unable to do it because of scheduling issues. Scarlett is said to be interested to play the role.