Detective Chinatown 2 does not feature any identifiable LGBTQ+ characters or themes. The film's plot, character development, and comedic elements are entirely devoid of queer representation, resulting in no portrayal to evaluate under the provided framework.

Detective Chinatown 2 does not include any discernible transsexual characters or engage with transgender themes. The film's narrative focuses on a comedic mystery without any portrayal of transsexual identities or experiences.

The film does not feature any female characters engaging in or winning close-quarters physical combat against male opponents. The primary female character, Kiko, is a hacker whose contributions are intellectual and technical, not physical.

Detective Chinatown 2 is an original film series, not an adaptation of pre-existing material with established characters. All characters' genders are consistent with their initial portrayal within the series or are new original characters, thus no gender swaps occur.

Detective Chinatown 2 is a sequel in an original film series. The main characters continue to be portrayed by actors of the same race as established in the first installment. New characters introduced in this film do not have a pre-existing canonical race from external source material to be swapped from.