Watch Iron Man 2 helmer Jon Favreau's bit on Jimmy Fallon

Iron Man 2 director Jon Favreau joined Late Night With Jimmy Fallon from the movie's Manhattan Beach, Calif., set on Monday, and you can view a clip after the jump.

Favreau appeared via Web chat from the set of "Hammer Industries," the rival company to Stark Industries, which is run by Sam Rockwell's character. Iron Man 2 opens on May 7, 2010.

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