In May 2008, Downey achieved critical acclaim and worldwide box office success for his starring role in Iron Man (2008), Jon Favreau's big-screen rendering of the Marvel comic book superhero. The film co-starred Gwyneth Paltrow, Jeff Bridges and Terrence Howard. In August of 2008, Downey starred with Ben Stiller and Jack Black in the comedy Tropic Thunder (2008), and went on to receive an Academy Award®-nomination for Best Supporting Actor for his, Kirk Lazarus.