WITH A VENGEANCE! Things go from bad to worse for X-FACTOR when they must save the baby NATHAN CHRISTOPHER SUMMERS from the clutches of a deadly robot attacker. But who is really at the helm, and what will this mean for the FUTURE of the team and the SUMMERS clan? Return to this classic era with legends Louise Simonson and Walter Simonson in this ALL-NEW tale set before the original X-FACTOR #43!