OK time to present my evidence to the court.
Tamaki talking about a Nextlevelgames WiiU game in the works that he is known for awhile and was worried it got moved to NX. -june 2015
https://gyazo.com/4d03c6ced8a5153fb464fbc31ad454c0
Emily Rogers "finding" two linkedin profiles a month earlier that points to nextlevel games making a WiiU game. -may 2015
http://www.perfectly-nintendo.com/next-level-games-some-findings-on-two-linkedin-profiles/
And lastly a gaf thread made two months prior discussing an unannounced wiiu game from nextlevelgames with an appearance from the last of the three... ShockingAlberto. -march 2015
http://www.neogaf.com/forum/showthread.php?t=1006054&page=3
Metroid Wii U game to release at the same time as Federation Force.