Well... The wiiU is pretty much a doomed console by now in the eyes of many so I doubt anyone is really willing to predict crazy numbers cause the wiiU just doesn't sell
With that being said... NPD for Nintendo might exceed expectations considering how it exceeded expectations with MK8 software sales so we will see how it turns out but predict low to be safe
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850