Just a guess, of course this is all dependant on where software development is at, I'll throw in some 3rd party guesses too
August 2024:
Mario Kart World (next-gen MK title)
Metroid Prime 4 (cross-gen title)
Street Fighter VI
Final Fantasy VII Remake
September:
Smaller Scale New Nintendo IP (Labo VR type sequel)
October:
Legend of Zelda: Tears of the Kingdom 4K w/large new DLC Quest/Story Expansion
Resident Evil 2/3/4 Remakes
November:
Super Mario 3D Next (Odyssey 2?)
Call of Duty game
December:
Golden Sun RPG or lower end Nintendo IP franchise revival (cross-gen)