The Iron Man franchise will continue to be a vital part of the MCU, with rumors of new films and spin-offs in development. As the character continues to evolve, fans eagerly anticipate what's next for Tony Stark and the Iron Man legacy.

Although Tony Stark dies in 2019’s Endgame , his technological legacy and memory remain central plot points in Phase 4 films released in 2021. Thus, an "index of Iron Man 2008–2021" must include these indirect appearances.

The Avengers sequel, also directed by Joss Whedon, features Tony Stark/Iron Man as a key player in the team's battle against Ultron, an artificial intelligence created by Stark and Bruce Banner. The film introduces the concept of AI-powered robots and sets the stage for future MCU events.

, portrayed by Robert Downey Jr., spans from the franchise's inception in 2008 to the character's definitive conclusion in 2019, with legacy appearances and alternate versions continuing through 2021.

Although not exclusively an Iron Man film, The Avengers, directed by Joss Whedon, marks a significant milestone in the franchise. Tony Stark/Iron Man plays a pivotal role in the formation of the Avengers, a team of superheroes tasked with saving the world from an alien invasion.

Stark’s role as the financier and occasional leader of the Avengers defined much of the MCU's middle chapters.