Prepare for an incredible Season 1, bringing a massive drop of content, including five free Weapons, four new Multiplayer Maps, multiple Modes, the next Zombies story chapter, the arrival and integration of Call of Duty: Warzone and the new Urzikstan map, an all-new 100+ Tiers of Battle Pass content to earn, BlackCell, and more.
Source: N4G PC Call of Duty: Warzone Season 1 Patch Notes