It is a battle stage.
Retro Cups are courses that have been in previous Mario Kart games. Like DK's Jungle Parkway N64, Bowsers Castle GBA, Yoshi Island DS, and Skyscraper N64. shell, banana, leaf, lightning are retro cups
N64 Bowser's Castle in the lightning cup
There are 8 cups total, 4 containing retro courses (N64, Mario Kart for the Gameboy Advanced, etc.) and 4 containing new courses. None of the courses is named the "Wii cup."
There are currently 8 Mario Kart games:Super Mario Kart (SNES)Mario Kart 64 (N64)Mario Kart Double Dash (GC)Mario Kart Wii (Wii)Mario Kart DS (DS)Mario Kart Arcade GP (Arcade)Mario Kart Arcade GP 2 (Arcade) (Japan only)Mario Kart Super Circuit (GBA)
On the original N64 no, but with an emulator (Project 64 and kaillera client) yes you can.
Super Mario Kart is not for Wii.
No, there is no Mario Kart Wii 2, but there will be a Mario Kart on the 3DS by the end of this year, and it is extremely likely that there will be a Mario Kart on the Wii U.
Mario Kart Wii happened in 2008.
No. Mario Kart 7 is ONLY for the 3DS. Mario Kart Wii is not the same thing as Mario Kart 7.
No, Kamek is not in Mario Kart Wii.
Mario Kart Wii happened in 2008.
The final "new" course is Rainbow Road, and the final "retro" course is N64 Bowser's Castle.