After Shinobi Shaw took over the New York chapter of the Hellfire Club from his father, Sebastian Shaw, he arranged for his own Inner Circle to be formed. Reeva Payge appeared among his recruits, who were presented to Ororo Munroe when he tried to recruit her as well.
Powers and Abilities
Mental Balance Distortion: Reeva Payge can generate a high note from her vocal cords that directly affects the brain's neurochemistry, painfully distorting perceptions of reality, causing them to experience dizziness and hallucinations. The note is beyond a normal human's ability to detect sound.