Scarlett Johansson is using her celebrity status to help those in need. The actress is selling a pair of tickets to the premiere of action movie Iron Man 2 in an online auction on eBay. All the proceeds will go to Oxfam American, an organization that seeks solutions to poverty, hunger, and social injustice around the world. The auction runs from September 17 to 24. The bidder will also have a “glam session” at Christophe, the chance to meet Scarlett on the red carpet and music of the movie. Iron Man 2 will hit out cinemas in May 2010.