Second Video From On The 'Iron Man 2' Set

ETonline has more from our 'Iron Man 2' on-set exclusive! From the spectacular stunts to the adrenalin rush and the onscreen love triangle, Robert Downey Jr. tells all only to ET's Mark Steines and Thea Andrews!

In theaters May 7, 2010, 'Iron Man 2' follows the further adventures of billionaire industrialist and weapons manufacturer Tony Stark (Downey Jr.). Now that the world knows his secret identity, he finds himself facing-off against Russian baddie Whiplash (Mickey Rourke), devious multi-billionaire businessman Justin Hammer (Sam Rockwell) and the seductive Black Widow (Scarlett Johansson), who is giving Pepper Potts (Gwyneth Paltrow) a run for her money. But will Tony Stark go it alone? Also starring Don Cheadle, the film is once again helmed by Jon Favreau.