The superhero known in the business as Robert Downey makes a come back. Since Wednesday the production started the sequel on ‘Iron Man 2,’ to his 2008 blockbuster about the Marvel Comics character.

Downey reprises his role as a billionaire genius who fights bad guys in a high-tech metal suit that’s loaded with gadgets. ‘Iron Man 2′ reunites Downey with co-star Gwyneth Paltrow and also features Don Cheadle, who replaces Terrence Howard as the superhero’s military ally.

Mickey Rourke is signed on to play a villain, and the cast also includes Scarlett Johansson and Samuel L. Jackson, who had a cameo at the end of the first ‘Iron Man’. Jon Favreau is back directing again for the sequel that hits theaters May 7, 2010.