Francis Lawrence's I Am Legend teaser trailer is here! Check out the new video below starring Will Smith, Alice Braga and Salli Richardson-Whitfield.

In I Am Legend Robert Neville (Will Smith) is a brilliant scientist, but even he could not contain the terrible virus that was unstoppable, incurable... and manmade. Somehow immune, Neville is now the last human survivor in what is left of New York City... and maybe the world. But he is not alone.

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