Cable (1993) #84

Guest-starring Cable's X-Men teammates, Phoenix and the Beast! The Undying are on the brink of triggering a bloodbath on a global scale, even as the Moment of Divergence nears for the warring timelines! Here, all secrets will be revealed: the origins of the immortal Undying, the connection between this ancient race and mankind's future, and why it's all focused on Nathan Summers! In desperation, Cable calls on the X-Men for this final battle, but will it be enough?