After several leaks, Activision has finally officialized Uprising , upcoming DLC for Call of Duty: Black Ops II waited on Xbox Live on April 16 at a cost of 1200 MSP . The add-on in addition to adding 4 new maps ( Maga, Encore, Vertigo, and Studio ) will introduce a new variant of zombie mode called " Mob of the Dead ". In this mode, set in Alcatraz jail, we will step into the shoes of Chazz Palminteri, Joey Pantoliano, Michael Madsen and Ray Liotta and we should vedercela with several waves of undead. We leave you a video clip showing the characteristics of DLC.