# Uncanny X-Men (1963) #243

Published: 1989-04-01T00:00:00+0000
Series: Uncanny X-Men (1963 - 2011)
Creators: Chris Claremont (writer), Joe Rosen (letterer), Glynis Oliver (colorist), Hilary Barta (cover artist), Marc Silvestri (penciler)

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While Beast and Longshot get people to safety, Jean Grey battles Mr. Sinister on the psychic plane! As Sinister attempts to destroy every single memory that Jean has, Jean must integrate the personalities of both the Phoenix and Madelyne.