2K Games and Gearbox Software have released a new trailer titled Borderlands 2: An Introduction by Sir Hammerlock. Join Sir Hammerlock on an introductory tour of Borderlands 2 as only he can present. Discover all of the new locations, characters, enemies and oh, yes, weapons and you prepare for your journey. The Borderlands are waiting.
http://www.youtube.com/watch/?v=AgJ1Ho55_hM