X-Factor find themselves swept up in the iconic Marvel crossover event Inferno!

Collects X-Factor (1986) #37-50, X-Factor Annual (1986) #4, Uncanny X-Men (1981) #242-243. Out of the frying pan, into the fire! As the Inferno rages, Madelyne Pryor - now the Goblin Queen - targets her and Cyclops' infant son, Nathan! Can X-Factor survive an onslaught of demons and keep Nathan safe? What happens when the crisis reunites them with the X-Men, whom they thought were dead? And will any of them be ready when Mister Sinister strikes? In the aftermath, X-Factor must deal with the threat of Nanny and the Orphan-Maker, and rescue the boy called Alchemy! But when a Celestial kidnaps the team and their sentient Ship, they'll find themselves on an alien world - right in the middle of the devastating Judgement War! As X-Factor is separated on different sides of the conflict, another deadly struggle begins - inside Jean's own mind!