Cyclops: Retribution collects a pivotal storyline originally serialized in Marvel Comics Presents (#17–24), collected in trade paperback:

Cyclops, leading X-Factor, joins forces with former X-Men Banshee and the Morlock outcast Callisto to stop Master Mold from unleashing a deadly Retribution Virus on the world. Their mission takes them across the globe as they battle this mechanized menace and its plot to exterminate mutants—and potentially humanity itself. Along the way, they face betrayal, moral quandaries, and the weight of being earth’s last line of defense.