
Modern Warfare 4 is not being treated as a delayed Nintendo conversion: Switch 2 players enter the same public test as PlayStation 5, Xbox Series X|S, Xbox on PC, Steam, and Battle.net, then join the full launch on October 23, 2026. That makes this Call of Duty’s first Nintendo-platform release since Call of Duty: Ghosts on Wii U in 2013 a meaningful live-service return rather than an isolated port.
Weekend 2 of the open beta begins on August 28 at 10:00 AM PT and runs through September 1. No pre-order is required. Switch 2 owners can download it from Nintendo eShop by searching for Call of Duty: Modern Warfare 4 Beta; preloading opens August 26 at 9:00 AM, alongside full-game pre-orders.

The test includes multiplayer and the campaign mission Entrenched, giving players more than the usual competitive-only preview. Crossplay brings Switch 2 users into the same broader player pool as PC, PlayStation, and Xbox players, which should help squads plan around one shared weekend and provide a substantial matchmaking stress test.
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Infinity Ward is developing the Switch 2 version with support from Digital Legends, the Barcelona studio founded in 2001 and acquired by Activision in 2021. Digital Legends has previously worked across Call of Duty projects including Black Ops 6, Black Ops 7, and Warzone. Its involvement points to dedicated work on Switch 2 optimization, controls, and platform integration rather than a simple compatibility release.

Important technical details remain absent: there are no announced frame-rate or resolution targets, file-size requirements, gyro-control specifics, input matchmaking rules, or cross-progression details. The August 28-September 1 beta is so the practical test for how well the Switch 2 build holds up in mixed-platform multiplayer before launch.