Hero of Legend
Member
The official English trailer on youtube says "Planned for Arcade release in Japan in 2015". There is no "first" there. The official Japanese website also says nothing more than "planned for Arcade release in 2015".
It may come to the Wii U at a later date (2016), but it is definitely not certain at this point. Mario Kart Arcade GP (and its sequels GP 2 and GP DX), also developed by Namco, never got a home port, for example.
Actually, I think if it is ported it is equally likely to be a launch title for Nintendo's next home platform, which should arrive in 2016 or 2017.
The President of TPC said the "first to arcades" line. Even acknowledging that he said "first".