https://comicbook.com/comics/news/em...6-exclusive/#2
"WE'RE NOT LOSING AN X-MAN... WE'RE GAINING AN AVENGER!" The moment we swore would never happen-heck, the moment EMMA FROST swore would never happen-is here at last! As the Frost/Stark knot is tied in INVINCIBLE IRON MAN #10, Emma's mutant family reacts to this surprise news!
X-Men #26 goes on sale on September 6th. The Invincible Iron Man #10 goes on sale on September 27th.