Wii U WILL get a boost. In 2015

[JakDaSnack]

Lawlight said:

lukibrasil said:

wii sports was bigga than mario kart ;)

Pack-in though :) In terms of pure sales, MKWii was bigger.

MKWii was also packin for most of its life.

And lets also not forget that wii sports was a new IP that doubled the sales of MKWii.  There is no reason to believe that a new IP from nintendo couldn't sell more than MK8.  Maybe that game is splatoon.