Tony Stark is a genius billionaire industrialist and the iconic superhero Iron Man in the Marvel 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-seated insecurities. Tony Stark displays an obsessive dedication to protecting Earth through technological innovation. Tony Stark has a complex relationship with Pepper Potts, who evolves from Tony Stark's assistant to Tony Stark's wife and CEO of Stark Industries. Tony Stark struggles with PTSD following the Battle of New York. Tony Stark develops a strong mentorship bond with Peter Parker, becoming a father figure to the young superhero. Tony Stark's greatest rivalry is with Thanos, culminating in Tony Stark's ultimate sacrifice to save the universe.