I really hate the idea of spin-offs galore after this great first year. I'm sorry to say but I think many of your ideas sound creatively bankrupt. Also that Zelda collection idea sounds horrific.
I'd love them to ask Team Ninja to work with them on a new IP like Nioh rather than have them dedicate resources to another Musou after Fire Emblem, but I get the feeling a Zelda followup is probably more likely.
That being said I would love a fresh take on 2D Mario, since they've done Mario Maker twice now and it'd be nice to see a new direction before revisiting that again to give both 2D Mario and Mario Maker some fresh ideas.
Nintendo has also said they plan on asking their developers for more new IPs, so I'm hoping to see more new ideas like Arms being pushed and published by Nintendo for Switch in the future.
I'd love them to ask Team Ninja to work with them on a new IP like Nioh rather than have them dedicate resources to another Musou after Fire Emblem, but I get the feeling a Zelda followup is probably more likely.
That being said I would love a fresh take on 2D Mario, since they've done Mario Maker twice now and it'd be nice to see a new direction before revisiting that again to give both 2D Mario and Mario Maker some fresh ideas.
Nintendo has also said they plan on asking their developers for more new IPs, so I'm hoping to see more new ideas like Arms being pushed and published by Nintendo for Switch in the future.