Which Are the First Five Games a Person Should buy with/after Wii U Purchase?

[Volterra_90]

Mario Kart 8
Splatoon
Super Mario 3D World
Bayonetta 1/2
Wind Waker HD (If you didn't play the original)/ Pikmin 3 (If you've ever played WW)

There are a lot more, but with these games you cover a wide variety of genres and all of them are amazing games ;)