"Gangster Squad" The Next Great Mob Movie Releases A Trailer (VIDEO)

We’ve seen pictures of the cast on set of the upcoming movie Gangster Squad, and now we finally have a peak at the final cut!

A trailer for the Ruben Fleischer movie has been released and shows us some of that badass mob action we’ve been hoping for!

PHOTOS: Ryan Gosling On Set Of "The Gangster Squad"

The movie, starring Emma Stone, Ryan Gosling, and Sean Penn, is based on a book by Paul Liberman, and is set to hit theaters in October 2012.

We can’t wait to see more previews from Gangster Squad!

PHOTOS: Ryan Gosling And Emma Stone Get Close On "The Gangster Squad" Set 

Check out the video above for the official trailer!

Are you guys going to go see it when it hits theaters?