The New Mutants
Trapped in Limbo, Magik cannot open a portal to Earth as the team battles S'ym and transmode-infected demons. Magik discovers N'astirh saved her as a child, defeats S'ym, and transforms into a fiery Darkchilde before N'astirh betrays them by bringing demon hordes to Times Square.
Collects X-Terminators #1-4, X-Factor #33-36, The Uncanny X-Men #239-240, The New Mutants #71-72. Inferno begins — X-Factor, New Mutants, and X-Terminators face the demon invasion of NYC.
Collects X-Terminators #1-4 and The New Mutants #71-85. Inferno aftermath - the New Mutants rebuild, plus the X-Terminators mini.
Collects X-Terminators #1-4 and material from 3 other series. The Inferno crossover - Madelyne Pryor becomes the Goblin Queen, demons invade.
Collects X-Factor #33-40, Uncanny X-Men #239-243, New Mutants #71-73, and Excalibur #6-7. The Inferno crossover -- Madelyne Pryor becomes the Goblin Queen as demons invade New York.
Collects X-Factor #33-40, Uncanny X-Men #239-243, New Mutants #71-73, X-Terminators #1-4, and more. The full Inferno crossover -- demons overtake Manhattan.
Collects The Uncanny X-Men #239-243; X-Factor #36-39; The New Mutants #71-73.
Collects New Mutants #55-73, Annuals, X-Terminators #1-4, and Uncanny X-Men tie-ins. The road to Inferno and the crossover itself -- the teams darkest hour under Louise Simonson.