Fantastic Four vs. X-Men #4

In "A Matter of Faith," the Fantastic Four and X-Men clash once more in Latveria, their tensions boiling over despite shared goals. When a crisis forces an unlikely alliance, Franklin Richards steps in to calm the storm, leading to a shocking moment where both teams and even Doctor Doom unite to save Kitty Pryde’s life. Written by Chris Claremont and illustrated by Jon Bogdanove, with inks by Terry Austin and colors by Glynis Oliver, this 1987 Marvel classic features a cover by Bogdanove and Austin.