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X-Factor (comics) - Wikipedia
X-Factor Members, Enemies, Powers | Marvel
X-Factor Members - Comic Vine
List of All X-Factor Members - Ranker
X-Factor (comic book) - Wikipedia
'X-Factor' Pays a High Price for Fame, Fortune, and Power
X-Factor - Marvel Database
X-Factor (Earth-616) - Marvel Database
Every X-Factor Team Ever | Marvel
Every X-Factor Roster, Ranked - CBR