It really all depends on how well Mario Kart 8 does. Not just launch week, but for the remainder of the year. If MK 8 is a runaway success the status quo will be broken and with heavier advertising it'd only get better. I forsee a SM3DW/MK8 Wii U bundle later this year to launch alongside(ish) Smash Bros U.
If MK8 sells just modestly, then it very well will be