This fits the bill for the next major content expansion to Borderlands 2, which is included in the season pass. A total of four major add-ons are scheduled to be released, with smaller ones also teased.
The trophies don’t reveal much in the way of spoilers except that it seems to have a central mission called ‘Long Way To The Top’. Gearbox are yet to name more DLC.
Bronze - Explosive - Complete the mission “Long Way To The Top”
Silver - Motorhead - Completed all Campaign of Carnage side missions
Gold - Obsessed - Collected 10 pictures of Moxxi in Campaign of Carnage
Captain Scarlett and her Pirate’s Booty has just released this week for Borderlands 2.