https://www.looper.com/1518762/marve...n-krakoan-era/
In the same way, "X-Men: Forever" is what's gone, to begin with, "X-Men: Forever" is what happened in the gap, as in, how the hell has Xavier [gotten] his team together? How the hell did he get Rasputin? And all those ... What is [Charles] Xavier trying to do? That's what "X-Men: Forever" starts as. And then it very rapidly by issue two becomes the dovetailing, secret history. It's like the white-hot ribbon side. In other words, the Jean side, the Phoenix side.
We've seen what's happened to Jean at the end of "Immortal X-Men." We've seen the visions that Scott's having in "Fall of the House of X. What's really going on with Jean? And, of course, the cover implies there's a lot of blood involved in this particular moment, and it's one of these weird things when I end up plotting it's like, "Oh no, Jean's absolutely key to it," but she's also like the holy grail, the whole holy grail, the blood of the holy grail, all these Arthurian aspects.
Jean grows and grows, and then consuming the book is the best way of putting it. I don't want to say much more than that, but Jean could not be more important to the book, but we built towards there because she is it; she's the holy grail, she's the thing that's being sought, the thing that's trying to find unity if you will.