Huh, the debate got settled before I could get here. I guess that's...not a bad thing, actually.
I'd imagine. The fact that one hasn't been announced yet is a cause for concern, but on the other hand, the April 1st Direct was announced literally the day before.
Even if we don't see anything beyond the Mario Maker stage, I don't think it's reason to panic just yet. You guys have to remember, it takes a while fully finish a character or stage, and it's something they've gotten around before by staggering their development. For example, while they were working on Mewtwo, they were probably starting Lucas, Roy, and Ryu. They seem the type to keep their integrity and only begin work on Ballot content once the Ballot actually closes, meaning we probably won't start seeing anything from it until early next year.
So the fact that we haven't seen any more pre-Ballot content yet? The fact that there's a chance we might still be waiting after the 30th? I don't think it's a cause for concern yet, or a reason to assume they're not making much more. If we went into December without anything significant, we could get worried, but right now, we're still in that window where it's too early for Ballot content and therefore not too late for non-Ballot content.