Rooney Mara stars in a brand new movie clip for A Nightmare on Elm Street (2010). We all heard about micro-naps in the A Nightmare on Elm Street (2010) Movie Trailer. In this movie clip, Rooney’s character, Nancy, falls victim to one and Freddy Kruger (Jackie Earle Haley) in a supermarket. Try NoDoz next time. Check out the movie clip below. You can see the result of the Nancy/Freddy Supermarket confrontation in the third photo here (spoiler).