Marvel's Phase II sequel Iron Man 3 has launched an exciting new viral site at BecomeIronMan.com. At the moment, there isn't much to the site, but registration will open soon, as test subjects for an unknown experiment are being sought. Its quite possible that the Extremis nanotechnology suit is somehow tied into this experiemnet. We'll be sure to keep you posted as more information is available. In the meantime, click on the photo below and check out this cool new site for yourself.