You have to be at least 18 years old to watch the clip and it helps if you are not squeamish!
Spoiler alert for when you watch the trailer: Some people die in this movie :)
to check out the head-exploding Aliens vs. Predator - Requiem clip!
Aliens Vs. Predator - Requiem was released December 25th, 2007 and stars Steven Pasquale, Reiko Aylesworth, John Ortiz, Johnny Lewis, Ariel Gade, Kristen Hager, Sam Trammell, Robert Joy. The film is directed by Colin Strause, Greg Strause.