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    Lady Mastermind

    Character » Lady Mastermind appears in 415 issues.

    Regan is the daughter of the original Mastermind. Originally an agent for the Hellfire Club, she joined the X-Men after being captured by Pandemic. Shortly after, she betrayed the X-Men and joined the Marauders and eventually the Sisterhood of Mutants.

    Lady Mastermind lists

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