Maestro

Maestro is a villainous character in Marvel's Avengers. An alternate version of the Hulk from a timeline where the Kree Empire devastated Earth, he was the self-appointed Supreme Leader of Earth and humanity after he went insane due to the excess radiation he absorbed from the nuclear fallout in the cataclysmic war.

While acting as an optional purchasable costume loadout for his present counterpart for most games, Maestro serves as the main antagonist and boss of the Future Imperfect operation, as well as the Days of Anger and Symphony in a Gamma Key villain sectors.