In a future Marvel Universe where Plague X has given everyone powers, Captain America is the last human alive. Can he and his allies stop the new Red Skull?
Earth X Chapter Three Namor battles the Skull’s army while Mr. Fantastic learns about Vibranium from the Inhumans. Written by Jim Krueger. Art by Alex Ross. Appendix to Chapter Three; X-51 and the Watcher discuss the Skull’s army.