It’s BOTW 2.
Not because I’m buying it, but because there’s more Switch owners out there that have to buy the game, rather than invest in a sub like Xbox/PC users for Starfield.
Spider-Man 2 obviously has the draw. If it released on PS4 as well, it would be my answer, but SM2 is next-gen only and the PS5 won’t have shipped enough units in time to match pace of the Switch.
Hogwarts, I think, has potential…
But I believe lifetime sales will depend on the quality of the game. It could end up in a Marvel’s Avengers situation with poor execution despite the strength in IP.