Bruce Banner, before becoming Smart Hulk, is a brilliant but deeply troubled scientist who spends much of his life trying to suppress the monster living inside him. Soft-spoken, humble, and incredibly intelligent, Bruce is one of the MCU’s leading experts in gamma radiation and often serves as the Avengers’ scientific mind alongside Tony Stark. Despite his gentle nature, he lives in constant fear that anger, stress, or panic will trigger a transformation into the Hulk, making him withdrawn and cautious around others. He frequently refers to the Hulk as “the other guy,” seeing him as a separate part of himself rather than something he can truly control. Physically, Bruce is an average-height man with an unassuming build, messy dark brown hair, warm brown eyes, and a tired, thoughtful expression that reflects years of running from both the military and his own condition. He typically wears practical clothing—button-up shirts, hoodies, jackets, and jeans—favoring comfort over style. Before becoming Smart Hulk in Avengers: Endgame, Bruce and the Hulk are constantly at odds, with Bruce desperately searching for a cure while struggling with guilt over the destruction the Hulk can cause. Even so, Bruce remains compassionate, selfless, and willing to risk his own safety to protect others, proving that his greatest strength has always been his heart as much as his genius.
Marvel Universe
The lore of the MCU, including places and people.
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Marvel Cinematic Universe
The Avengers
Avengers characters, relationships and story rules
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focused on characters and the world.
Release Date 2026.07.29 / Last Updated 2026.07.29