What false narratives are those? Team X was in the Cold War from the 60s didn't exist while Jean was an adult. Apparently this game is retconning the entire history of X-Men. Which I guess is fine if it's what they want to do, but I don't think it'll please many fans.
For Jean to be an adult would mean Xavier found her and started the X-Men, so to say X-Men does not exist, just means multi-verse BS. And I don't know about you, 99% of what's wrong with plots these days generally can be blamed on authors using alternate universes and multi-verse plot lines to have whatever they want happen. Like in the FF7 remakes for example, people hate the whispers and that the game is an alternate universe of the original.
And what's with Jean's look? My daughter agreed her costume was horrible, and her favorite outfit for Jean is the pixie one with the green skirt, which you can unlock in MUA3 (among other games). I guess Wolverine can wear his outfit, but Jean can't. I just said let's hope they have DLC and you can get nicer outfits unlocked.