“Ant-Man” is a part of the Marvel Cinematic Universe, but also apart from it, Marvel President Kevin Feige told Collider. “There is so much in Ant-Man: introducing a new hero, introducing a very important part of technology, the Pym particles in the Marvel universe. 'Ant-Man' is one of the best examples of how a movie can do both. It’s absolutely a standalone film about Hank Pym and Scott Lang, but it is within this universe,” he said.

In the comics, Pym discovers a rare group of subatomic particles that could increase or decrease the size and mass of objects or living beings. He changes their liquid elixir form to gas, which results in a quick-shrinking capability. Then Pym creates the Ant-Man suit out of the particles.

In the film, Lang (Paul Rudd), a petty thief, will don the suit and safeguard the technology to aid his mentor Pym (Michael Douglas). As Ant-Man, Lang will pull a robbery to save the world from evil, which essentially puts the film in the heist genre, according to Rudd. “If you look at the structure of heist films, there is always a test run and the test run fails,” Rudd said, hinting that the film will show Ant-Man’s connection’s with the Avengers, with whom he is set to appear in “Captain America: Civil War.”

Peyton Reed has directed “Ant-Man” from the screenplay by Edgar Wright, Joe Cornish, Adam McKay and Rudd based on the comic book “Ant-Man” by Stan Lee, Larry Lieber and Jack Kirby. Other cast members include Evangeline Lilly, Corey Stoll, Bobby Cannavale, Michael Peña, Tip "T.I." Harris, Wood Harris, Judy Greer and David Dastmalchian. Stoll will play the main antagonist, Yellowjacket. The film opens July 17.