Is SM3DW A Placeholder For Another 3D Mario Game or Is It The Evolution of 3D Mario?

[Th3PANO]

Miyamoto already stated that this game's purpose is to bring 3D Mario to a wider audience, and he also said that they are going back to singleplayer Mario, I guess this will be a new Mario series. Nsmb for the traditionel 2D mario, 3D series that isn't about collecting stars and new games like 64, Galaxy