Tony Stark is a genius billionaire inventor and the iconic Iron Man in the Marvel Cinematic Universe. Tony Stark possesses exceptional intelligence with an IQ that rivals the greatest minds in the Marvel universe. Tony Stark maintains a charismatic and often sarcastic personality that masks deep emotional complexity. Tony Stark demonstrates remarkable engineering abilities, creating revolutionary technology including the Arc Reactor and various Iron Man suits. Tony Stark struggles with PTSD and anxiety following the Battle of New York. Tony Stark shares a deep friendship with James Rhodes and a mentor-protégé relationship with Peter Parker. Tony Stark evolves from a self-centered industrialist to a selfless hero willing to sacrifice everything to protect others. Tony Stark's strongest relationship develops with Pepper Potts, who transitions from his assistant to his wife and emotional anchor.