Based on the provided information, there are no explicit mentions or confirmed portrayals of LGBTQ+ characters or themes in 'Alien: Earth'. Therefore, a definitive evaluation of its LGBTQ+ portrayal cannot be made, resulting in an N/A rating.

Alien: Earth, 2025 does not explicitly feature transsexual characters or themes. The narrative centers on characters undergoing physical transformation from human to synthetic forms, like Wendy, and their struggles with identity. While this transformation can be metaphorically interpreted, the film does not directly address gender identity or traditional transsexual experiences, focusing instead on the implications of synthetic existence.

The movie does not contain any action or adventure elements.

The provided information indicates that "Alien: Earth" features original female characters in strong roles, rather than gender-swapped versions of previously established male characters. There is no explicit evidence of any canonical character being portrayed as a different gender.

The provided information indicates no specific instances or deliberate race swapping of characters from original source material or within the narrative of "Alien: Earth." While the show features a diverse cast, there is no evidence of established characters changing race.