Some movies are epic from the moment they begin. These 20 films have iconic opening scenes. 1 of 20 'The Dark Knight' Warner Bros. Pictures What better way to start a movie than with an incredible sequence that cleverly establishes one of the main characters? The Dark Knight’s iconic opening scene features a bank heist coordinated by the Joker, letting everyone know exactly who the villain of the film is. 2 of 20 'Scream' Woods Entertainment If you love horror films, you know how good Scream is. In its opening scene, a character the audience thought would be with them...