Not really. Nintendo's own marketing will make it apparent it's a successor. It's like being confused that the PS3 isn't just a different PS2. They do need to change the name, but dropping the Wii part is largely unnecessary. People realized that the Super NES wasn't an NES!
--
"When I was a young man, I had liberty, but I did not see it. I had time, but I did not know it."