Rumour: Splatoon packed with Switch, new 3D Mario and Skyrim on launch, Mario Kart 8 remaster..

[Miyamotoo]

Soundwave said:
Splatoon is the next big Nintendo franchise. People better get used to it. It's going to be big in Japan especially, much moreso than Zelda.

Yes, packing Splatoon is actually very smart, Splatoon Switch bundle will be huge in Japan for instance.