WARNING: The following article contains major spoilers for Avengers: Endgame, in theaters now.
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Endgame saw Bruce Banner merge personalities to form Professor Hulk.
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The character lost a lot over Endgame, including Black Widow and his right arm.
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Banner's tortured psyche and divergent timelines could lead to a villainous alternate Hulk.
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The Maestro is an evil alternate future Hulk created by Peter David and George Perez.
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Driven mad with augmented power after a nuclear apocalypse, Maestro rules Earth.
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Desperate rebels bring Hulk from the main timeline to defeat his future self.
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Banner, having tasted omnipotence with the Infinity Gauntlet, could turn evil.
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Maestro from an alternate future would be a foe worthy of all the MCU heroes.
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