Robert Downey Jr. Hits Comic-Con Robert Downey Jr. dazzles fans at the "Iron Man 3" panel 2012 Comic-Con in San Diego, Calif. on July 14. Downey Jr., who portrayed Tony Stark in this year's smash hit "The Avengers," is set to reprise his role in the new film, which is slated to be released in 2013. Jordan Strauss/Invision/AP