This one makes for some interesting reading nowadays...
Im thinking closer to 4 million
I'm thinking more 6 million combined
It will sell 8 million max. Most likely is 3-5 million. Even that might be optimistic. If it were to multiplatform, it would easily sell 15 mill, but isolated on the Nintendo platform is going to kill it's potential.
6 million, its a niche franchise, doubt itll do 10 mil. its too small an IP