Much like with Black Ops 3's three previous packs of DLC dubbed Awakening, Eclipse, and Descent, the shooter's Salvation expansion will include four separate multiplayer maps, as well as its own entry in the ongoing Zombies plot line. As a matter of fact, Activision and Treyarch have revealed that the final expansion for Call of Duty: Black Ops 3 is set to launch on September 6 for PlayStation 4 before going to PC and Xbox One, and the companies have released a brand new trailer for the add-on's Zombies mode called Revelations. With the impending release of Call of Duty: Infinite Warfare and Modern Warfare Remastered, the developers for Call of Duty: Black Ops 3 are getting close to wrapping up the most recently released installment in the franchise with the unveiling of assets for the first-person shooter's last DLC known as Salvation. Publisher Activision and developer Treyarch officially reveal a new trailer and release date for Call of Duty: Black Ops 3's last batch of downloadable content.