Mario kart tourney

I am making a new game called Mario kart tourney and I still be working on Mario kart story mode 4 it will include 5 leagues, all the characters from Mario kart story mode 3, new gimmicks and more. Storyline: it the mushroom kingdom tourney and everyone is going to be there but Wario be the anit hero he is along with Waluigi stole the crown to order to be rich. Luigi is the only person who can save the crown and defeat Wario.