People who are expecting Mario Kart 9 are already delusional, so not worth making a whole thread about, they aren't even that common. 

Same can be said for Metroid Prime 4, though a 2D Metroid is possible.

People expecting a new IP are almost always talking about from smaller or more niche-oriented Nintendo teams, like Monolith Soft or the divisions of EPD that work on more quirky games. I don't think anyone is talking about, the next Splatoon, the next Animal Crossing, maybe it will end up selling as well as Arms but it probably wouldn't even be from that division. 

Frankly I don't see what's so ridiculous about Pokemon, Zelda and Mario though. By this time next year Breath of the Wild 2 would be long overdue, the one 3D Mario sequel we have to work with came out in a fairly timely manner (or 2 if we are including 3D World as a sequel), and while Nintendo probably does schedule releases around Pokemon to some extent (I think the Animal Crossing delay probably had a lot to do with an already comfortable Holiday 2019 with Luigi's Mansion 3 and Pokemon Sword and Shield), it's not an EPD game or from a studio they own, I don't think they're going to push back the release date just to accommodate their own games, and though the vice versa is a bit more likely it still isn't necessary. Pokemon would also be a remake, so. 

Bayonetta 3 is also a pretty small game and at that point it's just third parties meeting contractual obligations, Nintendo probably doesn't has a decent amount of input in it but not so much so that it would push back the release year after the game already taking this long, if those devs finish in 2021 the game will probably be released in 2021. 

Two brand new Monster Hunter games will certainly do great

Sony is going to have a monster 2021 so Nintendo better have something. N64 online should have been this year followed by Gamecube online next year.

"-At least one more Wii U port"
The air starts to get thin for WiiU-ports, as most games are already ported. But yeah, if we restrict this to Nintendo (and not include say ZombiU) there are still the HD-Zelda remasters open. And as next year is an anniversary year for Zelda like this is for Mario, it seems we can have decent hope that one or both will be ported to Switch. Maybe - if we are really in luck - we will see the rumoured Skyward Sword HD.

Besides that I only remember Xenoblade Chronicles X as title that remains. Smash, Splatoon and Mario Maker got proper sequels on Switch. And the smaller stuff like NES Remix may not come over.

What I personally expect: the Zelda HD-remasters are indeed a good bet. Maybe we will see some franchises make the jump from the 3DS: Denpamen or Dillon's Rolling Western. Kid Icarus: Uprising HD would be also fantastic.

Not counting stuff like Amiibo Festival, there's also Kirby and Starfox. And Nintendo Land...?

But yeah, it's slim pickings at this point.

Yep, this alone will already push the Switch a lot, especially in Japan, but certainly also everywhere else, too.

I will not, thank you very much, I expect to absolutely love Monster Hunter Rise and from my experience with the franchise, I'd say I probably will have a blast.

Fatal Frame. Would be perfect about a year from now.

Well, Nintendo Land is technically impossible, since it relies too much on separate interaction between the Gamepad and the TV.

Amiibo Festival reminds me that Nintendo really could make some game which is technically free-to-start (as they prefer to call free2play games), but needs Amiibos to work. Could actually be tied together with some Captain N revival, since that one also visited so many different gameworlds as you would with the amiibos...

No one expected that, being told to be patient doesn't mean you can just pull nonsense out of thin air. This is nothing more than a thinly disguised Nintendo whining thread. It has all the cliches. Ports/remakes don't count, third party releases don't count, and why don't we know anything beyond (insert latest known dated release). News flash! You aren't exactly an authority on what it takes to be a good or bad year. 

What I dont understand from people like you that post this drivel is why exactly do you all think Ninty shouldn't take into account of their ports, remakes, and third party releases? Like why would Ninty release Pokemon Snap for example in March knowing momentum from Monster Hunter will keep Switch afloat? Do you not understand that ports make money and sell consoles just like new releases, not every release is going to sell gangbusters rather port or new. Ninty doesn't just sell games,, they sell consoles as well, so strategic scheduling makes sense right? Ninty also doesn't have an infinite amount of resources and ip, so just releasing blockbuster after blockbuster would destroy another year which then destroys momentum. 

Your expectations of Ninty don't mean a thing, they are in route to posting one of the highest years in history(higher than Sony or Micro have ever been) so believe me they don't need your advice. People are hyped for next year because of all the realistic possibilities, not Mario Kart 9, Super Mario Odyssey 2, Botw2, and Pokemon Gen 4 remake. We only know of one of those games lol. People are hyped for things we already know of including third parties lol. SM3DW +BF, MW Rise, MH Stories 2, Bayo 3, BoTW 2, Poke Snap, NMH3, BD 2, and SMT V. Those are just the games we know are coming or being worked and probably close to release. I could name more possibilities and no I don't expect to get all of that but all the possibilities make for an exciting year.