Since it isn't on Switch, you can find it at retailers like Amazon or GameLoot for: Xbox One & Series X|S PC (via Steam or Battle.net)
If you'd like, I can look up or check the current price for MW2 on other consoles. Since it isn't on Switch, you can find
No, was not released on the Nintendo Switch . Despite long-standing rumours and a subsequent 10-year deal between Microsoft and Nintendo, the game launched on 28 October 2022, exclusively for PlayStation, Xbox, and PC. 🎮 The "Long Story": Why It Never Happened Since it isn't on Switch