Well at least you don't have to worry about what the readers think. Lol.
So that's one less variable!
Personally I'd give Professor Xavier a Major League rating, he's the face of mutanthood, the one they put up front and centre for interviews on the news.
It gets tougher with a Logan, who everyone in the know knows he's a bad ass, even if comparatively underpowered, but the general world knows very little about him.