I think it would be cool if they had a game that sort of merged the two branches together. It would be a Wario Land styled platformer with WarioWare characters and settings, and microgames as bonus stages.
I imagine you would start out in Wario's classic outfit at default (with his normal abilities), and you'd be able to collect a biker helmet powerup that transforms you into Biker Wario with the ability to ride your motorcycle and use it to plow through enemies.
And I also imagine that the other WarioWare characters would be playable with their own abilities, allowing for some four player co-op. And of course Captain Syrup would be involved (in a more antagonistic role than in Shake It).
As for your question: I don't just want a crossover, I want both series to be more conected period, I mean let's be honest who doesn't want to see the Ware cast in the plattformers or more Land stuff in Ware?
Of course that's likely never going to happen, so a crossover would be the next best thing, so yes I definentaly want a crossover!
And yeah, I agree that it would be great if the two were brought together on a full-time basis. And throw Waluigi in there as well.
Right now Wario's supporting cast is all spread out. You've got his rival, Captain Syrup, limited to the Land games, you've got his co-worker friends limited to the Ware games, you've got his sidekick limited to Mario spinoff games, and you've got a potential recurring nemesis in Rudy the Clown from Wario Land 3 who returns in Doctor Mario 64 of all things. Why don't they just tie them all together in one unified series?
Putting the two together would be the perfect representation of Wario as a whole. Microgames can add to the platforming in interesting ways like destroying blocks or if you lose you can change Wario into forms like burning Wario or Spring Wario. Helmets or hats should be in too so the platformer can be more like a puzzle platformer with more money rewards if you get puzzles or microgames right (like the special Purple pipes in WL4). And imagine if you were forced to pay to get into farther stages. The game would have lots of hidden content like music, multiple endings, difficulty setting, and a few bosses both timed and not.
Masters of Disguise could be called a crossover between the gimmicks of Warioware and the some powerups style from the platformers however with the controls it was more a gimmick as a whole based off the system. As long as it's straightforward but still with that quirky flair of the two series I'm sure it's fine. If there is a MoD sequel or the game on the Wii U then I'm sure it would only lessen Wario's image.
