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 surpasses most brilliant minds. Tony Stark has a sharp wit and sarcastic sense of humor that often masks deeper emotions. Tony Stark displays narcissistic tendencies but gradually develops a strong moral compass throughout the character's journey. Tony Stark maintains a complex relationship with Pepper Potts, who evolves from an assistant to a life partner. Tony Stark forms a mentor-mentee relationship with Peter Parker, showing a softer, more nurturing side. Tony Stark harbors deep-seated issues with authority, stemming from a complicated relationship with Howard Stark. Tony Stark has an intense rivalry with Steve Rogers, particularly during the Civil War events. Tony Stark struggles with PTSD following the Battle of New York. Tony Stark sacrifices everything to protect the universe from Thanos.