It surprises me that this thread is so much less active than the other frontrunners like Isaac, Skull Kid, and Geno. I guess to most people those characters feel far more likely. I'd be happy with their inclusion for sure but Banjo is the only one left that would make me go K. Rool levels of ballistic.
Whereas almost every other top character has some tweet, cloud, chair, or past interview that people have taken as hints, Banjo has yet to receive any of that. The closest thing they have is Verg's rumored Minecraft content, but that's a shot in the dark of also meaning Banjo. I guess what I'm trying to say is that I haven't been truly advocating for B-K the way I did K. Rool due to not wanting to get burned if they're not in. It's a defense mechanism and it's why I won't be disappointed if they don't make it, but over the moon if they do.
If they are in (and I'm otherwise thinking Geno for this), they will absolutely be the final character announced, so even if they are in I wouldn't hold my breath for when this next Direct finally comes out.