jun 24, 1973 - 1973 (War of the Sentinels)

Description:

After traveling to the X-Mansion, he discovers the school has been shut down, and the younger Xavier (known as Professor X) can walk, lacking his powers under a specialized serum suppressing his mutant powers. Hoping to reunite with Mystique, Professor X agrees to help Wolverine to bust Erik Lehnsherr out of his prison cell under the Pentagon, aided by Hank McCoy (Beast) and Peter Maximoff (Quicksilver). (age 183)

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