The series 'Echo' does not feature any identifiable LGBTQ+ characters or themes within its primary narrative or character arcs. Therefore, there is no portrayal to evaluate, resulting in a 'N/A' assessment for its net impact on LGBTQ+ representation.

Based on the available information, there is insufficient data to assess the film's portrayal of transsexual characters or themes. No details regarding such depictions were found in the movie's synopsis, cast, or additional web search results, preventing an evaluation of its net impact.

The series 'Echo' features Maya Lopez, who is female in the Marvel Comics source material and is portrayed by a female actress (Alaqua Cox) in the show. Other established characters also maintain their canonical genders, with no instances of a gender swap.

The lead character, Maya Lopez (Echo), is canonically Native American and is portrayed by Alaqua Cox, who is also Native American. Other significant characters are also portrayed by actors of appropriate racial backgrounds, aligning with the show's cultural focus.