Tony Stark, Bruce Banner, & Hank Pym unintentionally build an evil artificial intelligence named Ultron who wants nothing more than to destroy all of mankind. The Avengers, now joined by the Scarlet Witch & Quicksilver, reassemble to end Ultron's threat once and for all. Also, romance begins to blossom between Captain America & Black Widow. (Based on "Avengers: Age of Ultron")
