EW has reached out to representatives for DeMayo and Disney for comment.

It’s currently unclear why the exit happened, seemingly so abruptly.

Amy Sussman/Getty; Marvel Animation

X-Men ‘97picks up whereX-Men: The Animated Seriesleft off in the 1990s.

Beau DeMayo; ‘X-Men ‘97’

Beau DeMayo; ‘X-Men ‘97’.Amy Sussman/Getty; Marvel Animation

It was so much more simplistic than it is today.

[The X-Men] spent years telling humanity to embrace the future, walk into the future together.

What happens when they get hit with a future they didn’t see coming?