Watch Terminator 4: Salvation full movie trailer here. This is an upcoming American science fiction war film that is set for release on May 22, 2009. It is the fourth Terminator film so far. Stars are Christian Bale as John Connor and Sam Worthington as the Terminator Marcus Wright. Another thing is, it introduces a young version of the first film's hero, Kyle Reese, which is played by Anton Yelchin. The film was set in 2018. It focuses on the war between humanity and Skynet. It abandons the formula of previous entries in the series, which involved the Terminator and various other characters traveling through time to protect or kill John Connor. It is simultaneously a sequel and prequel to the previous films. Watch the trailer after the jump.