Call of Duty: Modern Warfare’s Season One will begin on December 3, 2019, and arrives with “the biggest free content drop in Call of Duty history.”
Revealed via Call of Duty’s Twitter, this update will include new Multiplayer maps, a Ground War map, 2v2 Gunfight maps, Multiplayer Modes, Special Ops experiences, and weapons. The full list is as follows;
Source: IGN.com Modern Warfare to Get 'Biggest Free Content Drop in Call of Duty History'