Ty Simpkins stars in Iron Man 3. Could Simpkins be Iron Man in Iron Man 4?

Robert Downey Jr. stars as Iron Man. He has played Iron Man five times.

Guy Pearce stars in Iron Man 3. Pearce portrays the villain.

Gwyneth Paltrow stars in Iron Man 3. Paltrow will likely be back as Pepper Potts in The Avengers 2.

The Mandarin is Ben Kingsley in Iron Man 3. Robert Downey Jr. returns to the title role for the fourth time.

Robert Downey Jr. in Iron Man 3. Gwyneth Paltrow is also back in Iron Man 3.

Guy Pearce and Gwyneth Paltrow in a scene from Iron Man 3. Iron Man 3 stars Robert Downey Jr.

Iron Man 3 releases its first clip. The scene features Tony Stark (Robert Downey Jr.) addressing the cameras, and a certain villain.

Gwyneth Paltrow and Guy Pearce star in this still from Iron Man 3. The superhero film comes out May 3.

Robert Downey Jr. and Don Cheadle star in this still from Iron Man 3. The superhero film comes out May 3.

Robert Downey Jr. is Tony Stark in this still from Iron Man 3. The superhero film comes out May 3.

Iron Man lies in the snow in this still from Iron Man 3. The film premieres May 3.