The article discusses the possibility of Cassie Lang, daughter of Scott Lang/Ant-Man, appearing in the upcoming Ant Man and The Wasp movie. It is speculated that Cassie could be appearing in the film based on recent casting calls for teenage girls, as well as the fact that Cassie has a prominent role in the Ant Man comics. However, no official confirmation has been given by Marvel, so the question of Cassie's appearance remains unanswered.