Gearbox Software released the launch trailer for Borderlands 2's upcoming downloadable content, Sir Hammerlock's Big Game Hunt, giving players a glimpse at new environments and the latest villain.

Players will face off against Professor Nakayama, who describes himself as "the most ambivalent man alive," while exploring the swamps of Aegrus. The campaign is expected to last four to six hours and follows Borderlands 2's cast as they embark on a hunting trip.

Sir Hammerlock's Big Game Hunt launches Jan. 15. The DLC is available as part of Borderlands 2's season pass, or separately for $9.99 (800 Microsoft Points).