Iron Man was created by writer and editor Stan Lee, developed by scripter Larry Lieber, and designed by artists Don Heck and Jack Kirby. He first appeared in Tales of Suspense #39.
The origin story explaining Tony Stark's capture, injury, and creation of the Iron Man suit was published, adding depth to the character.
The Iron Man film starring Robert Downey Jr. was released, significantly boosting the character's popularity and launching the Marvel Cinematic Universe (MCU).
Iron Man played a crucial role in the MCU's Avengers: Endgame film, which became a cultural phenomenon.