The legendary Halo composer, Martin O'Donnell is open to working with Nintendo on Super Smash Bros. Ultimate if Master Chief gets added to the game.
With Nintendo rolling out Switch 2, the company has confirmed that Super Smash Bros. Ultimate and Nintendo Switch Sports have issues on the new console. However, plans are already in place for patches.
Game developer Hideki Kamiya talks about Bayonetta in the Smash Bros. games.
Nintendo Switch games that haven't received patches are still getting performance and loading boosts across the board on Switch 2.
This would be phenomenal and Microsoft should bring him back for future Halo games too.