They did.
Overwatch on Nintendo Switch™ 2
Take the fight with you as Overwatch arrives on Nintendo Switch 2. Better visuals, higher fidelity audio, and up to 60 FPS in both docked and handheld mode make this a much stronger way to experience the game on your Nintendo Switch 2. It’s a cleaner, crisper, portable version of Overwatch that still lets you play with your friends wherever you are.