User blog comment:Mr.Miles/Ubisoft is already working on Assassin's Creed in Brazil/@comment-1888015-20120925000853

Well, should their pitch be successful, I eagerly look forward to learning more about your country's history.

I wouldn't get your hopes up too early though, because it would more likely that it's in a planning stage and it might have some other settings vying for their own AC game.