Without a doubt, some of the smartest superheroes of all time can be found in the MCU. Peter Parker, Tony Stark, and Arnim Zola are just a few of the brainiacs who are taking up space and vying for the honor of being the best among the smartest MCU characters, but the entire list is a who's who of superhero royalty.
Determining which Marvel character is the smartest is no simple task. Do you judge based on wisdom? Street smarts? Or good old-fashioned educational accreditation? Many of the smartest Marvel characters ranked here have some, if not all, of those variables bouncing around in their heads. But which one of them is the smartest? Take a look at their achievements and abilities to get a more precise view of who's got the biggest brain in the MCU.