Artwork from Mario x Rabbids leaked !

[curl-6]

Mar1217 said:

curl-6 said:

They let Canadian devs Next Level make the likes of Luigi's Mansion 2 and Punch Out on Wii.

I think they're 2nd party dev 

They only announced they'd be working exclusively with Nintendo in 2014, they were total third party back when they made Mario Strikers and Punch Out Wii.