Dive into a time-bending adventure as Kamala Khan's mutant identity collides with X-Men legacy! Celebrating the iconic issue's 50th anniversary, this daring reimagining from Adam Kubert, Lanzing & Kelly thrusts Ms. Marvel into the past where she witnesses the X-Men's birth and first Krakoa encounter. When a deranged villain starts altering history, both Kamala and the X-Men face an existence-threatening paradox. Plus: Ewing and Pichelli reveal the X-Man that never was! History is about to be rewritten in this first of five giant-size one-shots!