The first set of Borderlands 2 DLC, titled "Captain Scarlett and her Pirate's Booty", is scheduled to anchor on October 16th.
According to reports, the DLC will be set in an entirely new area, in the slums known as Oasis. The Sand Skiff vehicle was also confirmed, along with "seraph crystals", the newest form of currency.
This is the first DLC of four to be released, each of them being $9.99. You can also buy the Season Pass for $29.99, giving you all four for the price of three.