The film "Atlantis: Milo's Return" does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on adventure and exploration without engaging with queer identities or experiences.

The film "Atlantis: Milo's Return" does not include any identifiable transsexual characters or themes within its narrative. Consequently, there is no specific portrayal to evaluate against the provided rubric.

The film features female characters such as Audrey Ramirez and Queen Kida Nedakh who are active participants in the adventures. However, their contributions to combat situations primarily involve the use of technology, vehicles, or crystal-based powers, rather than direct, close-quarters physical combat victories against male opponents.

This film is a direct-to-video sequel to "Atlantis: The Lost Empire." All returning characters maintain their established genders from the original film, and new characters introduced in this installment do not constitute gender swaps.

This animated direct-to-video sequel maintains the established character designs and racial portrayals from its predecessor, "Atlantis: The Lost Empire." No characters who were canonically established as one race are depicted as a different race in this film.