Is this a new Avengers team or just characters Marvel are gonna push now? If so then it looks a little weird. No sign of mutants (Inhumans instead) and not one Fantastic Four character?
Don't forget Marvel doesn't own the movie rights for them, so no point in promoting them.
And the recent push for the Inhumans(which marvel has put in a status quo very similar to the Xmen), only solidifies the notion that Marvel wants them as its X-men in the movie universe. Since thats what marvel is these days a by-product of the movies, instead of the other way around.
Scarlet Witch is a mutant