It opens with a voice-over from Corey Stoll's Darren Cross/Yellowjacket, "Imagine a soldier the size of an insect", reported Ace Showbiz.
Michael Douglas's Hank Pym is later heard saying, "If you bring godlike powers to everyone, it's going to be chaos",
Paul Rudd is cast as Scott Lang or the titular pint-sized hero, while Evangeline Lilly is tapped to play Hope Van Dyne.
Directed by Peyton Reed, the superhero movie will make its way out starting July 17 this year in North America.