Cassie Lang
Cassandra Eleanor "Cassie" Lang is a fictional character in the Marvel Comics universe, and later becomes a superheroine under the aliases Stature and Stinger. She is the daughter of Scott Lang and Peggy Rae, with the former being the successor superhero of Hank Pym's mantle, Ant-Man, and later becomes his partner.
Cassandra Lang was created by David Michelinie and John Byrne, and first appeared in Marvel Premiere #47 in April of 1979. When introduced as Stature, she was created by Allan Heinberg and Jim Cheung, and first appeared in Young Avengers #6 in May of 2006, as Nick Spencer and Annapaola Martello created Stinger in May of 2016 in The Astonishing Ant-Man #6.
In other media
changeSince her original introduction in comics, the character has been featured in various other Marvel-licensed products, including video games and merchandise. In the Marvel Cinematic Universe (MCU), the character was portrayed as a child by Abby Ryder Fortson in Ant-Man (2015) and Ant-Man and the Wasp (2018), and as a teenager by Emma Fuhrmann in Avengers: Endgame (2019) and by Kathryn Newton in Ant-Man and the Wasp: Quantumania (2023).