I can't really see Brazil as a huge addition. If they wanted to do Up or ENG, I think those would be more likely in the Mexican Pavilion, which is awesome but rather wasted in terms of space. I would love it if they expanded that. It was really nice to duck inside it in the summer.
I'd love to see India but sadly I don't see that happening unless they have a Disney Indian Princess movie in the works. I'm surprised they haven't done one, really. Bollywood has a market in the states, I could see an army of little girls dressed in saris, the food is easy, and so varied, and India is rich in folklore. Growing economic power, and also a pavilion would have the same exotic potential as Japan and Japan.
Russia won't happen, probably not in my lifetime. Doubt Israel as well. I would love Egypt, but I think no on that for similar reasons.
Africa would be neat. But they've pretty much done that in AKL so probably no chance.
Cambodia would be cool- can you imagine walking through a recreation of Angkor Wat or Ta Prohm? But then there's that unpleasantness of genocide to contend with, so unlikely.
Australia would be a slam dunk, too. That's what I'd bet on. Hey, thunder down under
it would fit so well with drinking round the world.
I don't see them doing it, as the cost would be prohibitive, but they could completely tear out the show case and rebuild it more like Disneysea. It would vastly improve America and Canada at least. And Venice would be a really cool addition. It would also make the IP thing make more sense.
I really wish they'd just improve the America or Canada pavilions, really. They're so weak, and there is no excuse for that!