When Tony Stark and Bruce Banner try to jump-start a dormant peacekeeping program called Ultron, things go horribly wrong and it's up to Earth's mightiest heroes to stop the villainous Ultron from enacting his terrible plan.
An uptight and by-the-book cop (Reese Witherspoon) tries to protect the outgoing widow (Sofia Vergara) of a drug boss as they race through Texas pursued by crooked cops and murderous gunmen.
Armed with a super-suit with the astonishing ability to shrink in scale but increase in strength, cat burglar Scott Lang must embrace his inner hero and help his mentor, Dr. Hank Pym, pull off a plan that will save the world.