Mr Torgue's Campaign of Carnage is expected to be the second large campaign expansion for Borderlands 2, after PS3 trophies relating to the supposed DLC were spotted following the recent game patch.
NeoGAF member Live Free or Die posted info on new Bronze, Silver and Gold trophies.
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
Gearbox is yet to announce the add-on, but it's expected to the DLC expansion two of four included in the Season Pass.