Jaimie Alexander in Thor, Blake Lively in Green Lantern, Hayley Atwell in Captain America: The First Avenger, Malin Akerman in Watchmen, January Jones in X-Men: First Class, Scarlett Johansson in Iron Man 2

Actress Jaimie Alexander
Actress Jaimie Alexander arrives at the Entertainment Tonight After-Party for the 2010 Primetime Emmy Awards in Los Angeles. Reuters/JASON REDMOND
Actress Blake Lively
Actress Blake Lively poses for photographers in the photo room at the 2011 MTV Movie Awards in Los Angeles June 5, 2011. REUTERS/Danny Moloshok
Hayley Atwell
Cast member Hayley Atwell arrives at the "Captain America: The First Avenger" film premiere in Hollywood, California July 19, 2011. REUTERS/Jason Redmond REUTERS/JASON REDMOND
Malin Akerman
Cast member Malin Akerman poses at the premiere of the movie "Couples Retreat" at the Mann's Village theatre in Westwood, California, October 5, 2009. The movie opens in the U.S. on October 9. REUTERS/Mario Anzuoni
January Jones
Actress January Jones arrives at the 68th annual Golden Globes Awards in Beverly Hills, California January 16, 2011. REUTERS/Danny Moloshok REUTERS/Danny Moloshok
Scarlett Johansson
Scarlett Johansson Iron Man 2 website