Bleeding Cool told you a couple of times that Raid On Graymalkin would be the first of the new From The Ashes X-Men crossovers for December.
Raid On greymalkin Archives
With Avengers #21 running an X-Men Vs Avengers story, and X-Men #8 launching the Raid On Greymalkin X-Men event crossover already, Gwen Stacy getting a Ghost Spider 2099, Dazzler doubling down on the Taylor Swift, death comes to the Ultimates, and the return of Constrictor to Wolverine.
AVENGERS #21
Comic Script by Jed MacKay
Illustrated by Valerio Schiti
AVENGERS VS[...]