Hardly new. It's the third movie version of Richard Matheson's 1950s novel I am Legend. See The Last Man on Earth with Vincent Price and The Omega Man with Charleton Heston.

Hollywood really has run out of ideas.

Fred

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"For shame, gentlemen, pack your evidence a little better against another time."
-- John Dryden, "The Vindication of The Duke of Guise" 1684