Season 1 for Call of Duty: Modern Warfare 4 launched on November 6, bringing a substantial content update to Nintendo Switch 2. The update adds new multiplayer maps, modes, weapons and other features, and also marks the official Nintendo Switch 2 release of the free-to-play Call of Duty: Warzone.

Multiplayer additions include 6v6 maps Backstab, Canyon and Shoot House, along with the Kill Block: Crash variant featuring static slabs selected by Infinity Ward. New and returning modes include Possession, Infected, Grind, Drop Zone and Gauntlet 1v1, with additional mid-season content planned, including Ministry and Overflow.

DMZ expands with X01, a weapons facility accessible through Hajin, alongside new DMZ Orders, equipment, enemies and a Threat Briefing challenge involving a North Korean battle tank and The Captain. Call of Duty: Warzone arrives on Nintendo Switch 2 with the Hajin Battle Royale map, Zodiac Resurgence map, Hajin Gulag, Zipline Launcher, Grabber Drone, Grinding for Royalty challenges, Weapon Augments, Ground Ops activities and playlists such as Rally Point, Massive Resurgence and Loaded Resurgence.