DLC for Call of Duty: Black Ops II (2012). The Apocalypse map pack introduces Origins, Treyarch's deepest and most imaginative zombies experience yet.DLC for Call of Duty: Black Ops II (2012). The Apocalypse map pack introduces Origins, Treyarch's deepest and most imaginative zombies experience yet.DLC for Call of Duty: Black Ops II (2012). The Apocalypse map pack introduces Origins, Treyarch's deepest and most imaginative zombies experience yet.