For years now, people have suggested a Mario & Luigi game with Wario and Waluigi as playable characters. But what such a game be like if it existed? Would Wario and Waluigi have their own special Bros Attacks? Would Wario Land and WarioWare characters appear as main characters or assist character form in some way? What would the story even be?
It should be an Ashley themed RPG, not Wario. The game would be about Ashley trying to find the perfect ingredients around the city and other places. But to get these important
ingredients she must travel into portals leading to new places. Huge worlds. Ashley and Red RPG.
The central plot would be simple: Wario hunting for treasure, just like the platformers. The story can involve some alternate dimension or fantasy world like we have seen in WarioLand : Shake it!
And at the end of the RPG, all seems wonderful, you get billions of dollars, but Mario and Luigi kick his ass and take his money. They think he's stealing so beat him up and they give all the money back.
It would probably be Wario Land-like, with fresh influences too. I think WarioWare would be referenced at places, but not really interfering with the gameplay or style. (think of references like the posters in Yoshi
Theater)