They don't have to pay extra or rescale anything. Why so much regurgitated false/ignorant information on this forum lately?
All they need to do is handle the conversion of UE4 to Wii U themselves rather from their PS4/Next X/ PC built rather than buying the license from Epic directly. And the engine is already scaled. That's one of the the points of a game engine.
The rEVOLution is not being televised







