Burning Justice
the superior princess
If its real maybe he's intentionally not revealing things that would confirm it
I'm pretty sure there's a set schedule on when things get revealed. Famitsu and Nintendo Dream had Meta Knight in them despite him only being revealed a week prior, right? I don't think they would have been able to do that without knowing in advance he was going to be revealed.
If there are magazines coming out soon with characters that haven't been revealed yet in them, then the reveal schedule probably can't be changed that easily.