X-Factor: The Original X-Men Omnibus Vol. 2 Walter Simonson Inferno Cover

In the wake of Apocalypse’s attack, X-Factor battle the Avengers, the bouncing Beast becomes blue and furry once more and the team goes public! But when Cyclops and Marvel Girl begin a search for Scott’s missing son, bizarre mysteries are uncovered — and the flames of an Inferno begin to flicker! As Madelyne Pryor — now the Goblin Queen — targets infant Nathan, can X-Factor survive an onslaught of demons and keep the boy 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? 

COLLECTING: X-Factor (1986) 27-50, X-Factor Annual (1986) 3-4, X-Terminators (1988) 1-4, Uncanny X-Men (1981) 240-243, New Mutants (1983) 76, Fantastic Four (1961) 342; material from New Mutants Annual (1984) 5; Marvel Comics Presents (1988) 15, 17-24