X-Universe indexes:

• Alpha Flight

• Bishop

• Cable

• Dazzler

• Deadpool

• Excalibur

• Gambit

• Mystique

• New Mutants

• Uncanny X-Men

• Wolverine

• X-Factor

• X-Force

• X-Man

• X-Men

• X-Men: The Hidden Years

• X-Men Unlimited

• X-Treme X-Men

• X-Statix

• Short running series, Limited Series, Oneshots (Archangel, Beast, Iceman, Juggermaut, Magneto, X-Men: Hellfire Club etc.)