Mr. Torgue’s Campaign of Carnage is the expected title for the second major release of Borderlands 2 DLC. The leaked was provided by PlayStation 3 trophy data updated by a recent patch. Three Trophies are know as of now for the new DLC. They reveal the objective “Long Way To The Top” and a few side mission quests.
It is unlikely that we will see an official announcement from Gearbox since the first DLC pack was just announced after a similar leak. Stay tuned for more information as it is released.