Audi R8 Spyder in Iron Man 2

Robert Downey Jr. has returned to his role as the ingenious engineer and Super Hero Iron Man. The world premiere of Iron Man 2 took place on Monday in Los Angeles. Along with Robert Downey Jr., several other big names accompanied director Jon Favreau down the red carpet, including Gwyneth Paltrow, Scarlett Johansson, Mickey Rourke, Don Cheadle, Sam Rockwell, Samuel L. Jackson - and right in the centre of things, the Audi R8 Spyder.