In a conversation with an IGN writer, focused on Metroid, Shigeru Miyamoto stated that his personal favorite choice for a franchise to appear on WiiU is Star Fox!
He didn't go into detail, but it is a promising sign that Star Fox is still on the minds of people in power.
Take this with some salt, though. Miyamoto has stated in the past that he wanted Star Fox on Wii, and that never materialized.
The Nintendo executive didn't give any details, but noted that "personally" the franchise he wants most on Wii U is Star Fox.