Board Thread:Super Smash Bros. Discussion/@comment-27998063-20150804231941/@comment-24503190-20150819041615

PEASHOOTERFAN wrote: Sorry, man. Banjo-Kazooie is...Urk..Not possible. Rareware owns them and Microsoft owns Rare. Microsoft and Nintendo are also huge enemies.

Actually, Phil Spencer, the head of the Xbox division of Microsoft said he thinks it would be cool if Banjo was in Smash, so Banjo isn't impossible.