Angelina Jolie is likely the queen of Hollywood action heroines: not just for her roles as Lara Croft, but also in Mr. and Mrs. Smith and Wanted, delivering the perfect mix of attitude and aggression necessary to the genre. Hence, Salt is one of our most-anticipated action films of 2010, in which she plays a operative who finds herself… Well, just watch the trailer, it’ll fill you in on the details.