Superhero partners Scott Lang and Hope Van Dyne return to continue their adventures as Ant-Man and the Wasp in the film that kicks off Phase Five of the MCU. Together, with Hope's parents, they find themselves exploring the Quantum Realm, interacting with strange new creatures, and embarking on an adventure that pushes them beyond the limits of what they thought possible. Paul Rudd, Evangeline Lilly, Michael Douglas, and Michelle Pfeiffer all return, with Kathryn Newton debuting as Scott's daughter Cassie and Jonathan Majors joining the adventure as Kang.