NoA: "We are excited to bring [Devil's Third] to Wii U"

[Skullwaker]

We know you are eager to hear more about Devil’s Third. We are excited to bring the game to Wii U and will have more to share soon.

— Nintendo of America (@NintendoAmerica) July 11, 2015

Interesting that they actually spoke up about it. Things may be going on that we don't know about, after all.