So someone went to Charles Martinet's IMDB page and it lists several titles for Wii U and potentially Switch. All for release in 2017. Which I doubt they'd all be out in 2017,too much Mario
Super Mario Maker Deluxe - 2017(Switch?)
Super Mario Sunshine HD - 2017(Switch?)
Super Mario Galaxy 3 - 2017(Switch)
Mario Sports Superstar - 2017(Switch)
Super Mario Golf - 2017(For Wii U)
Charles Martinet - IMDb
Well I went ahead and clicked on the post production and announced titles in red and it took me to the IMDB Pro page where you can make out summaries for the games
Mario Sports Summary:
''Combines all sports that Mario has done over the years. Gold,Tennis,Baseball and Football. Including Horse Riding''
Super Mario Galaxy 3 Summary:
Mario saves Princess Peach from Tatanga
NND: 0047-7271-7918 | XBL: Nights illusion | PSN: GameNChick