Marvel fans noticed that Cassie Lang was recast in Ant-Man and the Wasp: Quantumania, but this isn't the first time the Marvel Cinematic Universe has recast a significant role. Reasons for these changes include the age of the character versus the age of the original actor, actors not being able to commit to long-term franchises, or not wanting to be attached to a superhero genre.
Source：https://www.cbr.com/every-character-that-was-recast-in-the-mcu/
