For anyone questioning no APE when Mr. Saturn is in, it may be because he's just an item. But I still do find it odd that APE and Konami both aren't present. Cuts suck. Big time. And I legit might cry if Ness is gone, just because he is a Smash Bros. character just like Sheik and Jiggly. Not really relevant, but it wouldn't be the same without him. I'm not even a fan of Earthbound, I just think it would be ridiculous not to give Earthbound/Mother no playable characters at all.
Any chance this isn't final? I think there should be.
Edit: I just saw the "only what's on the box" idea. And yeah, it might mean Snake will sneak in.