The continuing adventures of the original X-Men, reunited as X-Factor! 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 and ANNUAL #3-4, X-TERMINATORS #1-4, UNCANNY X-MEN (1981) #240-243, NEW MUTANTS (1983) #76, FANTASTIC FOUR (1961) #342 and material from NEW MUTANTS ANNUAL #5 and MARVEL COMICS PRESENTS (1988) #15 and #17-24.