âCall Of Duty: Black Ops Cold Warâ mid-season update drops next week Another update has also gone live, updating numerous playlists Following season one beginning last month (December), it appears itâs already hitting half way through its life span, as a recent Call Of Duty: Black Ops Cold Warblog post revealed the mid-season refresh will commence on January 14. The update promises to be âeven bigger with new content in Multiplayer and Zombiesâ, beginning with a new Fireteam map known as Sanatorium, on top of a new multiplayer mode being incorporated known as Dropkick. Little is known about the latest mode, aside from players will âfight for control of the nuclear codesâ.