The futuristic mafia movie Looper stars Joseph Gordon-Levitt, Bruce Willis, and Emily Blunt. Set thirty years in the future, Gordon-Levitt plays a mafia hit man who realizes that one of his targets is actually himself from another thirty years in the future. Watch this trailer and get a taste of the time-traveling sci-fi action with Willis and Gordon-Levitt. Then, go see Looper, in theaters on September 28.