Margot Robbie's Harley Quinn steals the show in the newly released trailer for 'Suicide Squad.'

Based on the original DC Comic of the same name, Suicide Squad revolves around a group of super-villains who find themselves on an unlikely mission for a shot at redemption.

The film stars Oscar-winner Jared Leto and Will Smith as Deadshot. The cast is rounded out by Joel Kinnaman as Rick Flag, Cara Delevingne as Enchantress, Jai Courtney as Captain Boomerang, Viola Davis as Amanda Waller and Adewale Akinnuoye-Agbaje as Killer Croc.