Source: wikibot/bruce-banner-marvel-cinematic-universe
= Bruce Banner (Marvel Cinematic Universe)
{wiki=Bruce_Banner_(Marvel_Cinematic_Universe)}
Bruce Banner is a fictional character in the Marvel Cinematic Universe (MCU) portrayed by actor Mark Ruffalo. He is a brilliant scientist with expertise in gamma radiation, and he is best known for transforming into the Hulk, a powerful green giant, when subjected to extreme emotional stress, particularly anger.