Cassie Lang (Marvel Cinematic Universe)

fictional character from the Marvel Cinematic Universe

Cassandra "Cassie" Lang is a character in the Marvel Cinematic Universe (MCU) media franchise, portrayed by Abby Ryder Fortson, Emma Fuhrmann, and Kathryn Newton. Based on the Marvel Comics character of the same name, she is the daughter of Maggie and Scott Lang. Her parents eventually divorce based on her father's criminal activity and her mother forms a relationship with police officer Jim Paxton. In 2015, she is held hostage by Darren Cross / Yellowjacket and then learns her father is Ant-Man. In 2018, she expresses interest in being her father's partner and meets Hope van Dyne. She then survives the Blip and lives five years without her father becoming a teenager. In 2023, she is reunited with her father. With interest in the Quantum Realm, Cassie works with Hank Pym and van Dyne to build a quantum satellite as well as her own purple version of an "Ant-Man" suit. In 2026, she shows her satellite to her father, but it gets hacked and she, her father, van Dyne, Janet van Dyne, and Pym are sucked into the Quantum Realm. There, she and her father learn about the multiverse and face Kang the Conqueror, as well as meeting Cross again, now as M.O.D.O.K.

As of 2024, the character has appeared in four movies: Ant-Man, Ant-Man and the Wasp, Avengers: Endgame and Ant-Man and the Wasp: Quantumania. Additionally, the character is teased as a potential member on Ms. Marvel and Hawkeye's new team in The Marvels.