Forget the special effects, Robert Downey Jr., Don Cheadle, Gwyneth Paltrow and Mickey Rourke. Forget that Iron Man was the best comic book movie not named Batman Begins or The Dark Knight to hit theaters since Spider-Man 2. If you need three sexy reasons to see Iron Man 2 on May 7, 2010, just check out Scarlett Johansson’s snapshots below. She plays Natasha Romanoff, a.k.a. Black Widow. All I can say is Ryan Reynolds is one lucky bastard.