Based on all available information, Mantis (2025) does not feature identifiable LGBTQ+ characters or themes. Reviews and synopses indicate only heterosexual relationships and no queer subtext or plot elements are mentioned.

Based on available information, *Mantis* (2025) does not feature any transsexual characters or themes. The film's narrative centers on an assassin's return to a chaotic industry, focusing on professional rivalries and power struggles, with no elements related to gender identity or transformation.

Based on available information, no combat scenes have been identified where female characters are depicted defeating one or more male opponents in direct physical combat. The search results indicate an absence of such portrayals.

The film *Mantis* (2025) is a spin-off of *Kill Boksoon* (2023). All named characters, including Mantis, Shin Jae-yi, and Dok-go, maintain the same gender as established in the source material or prior mentions, with no instances of a gender swap.

The film introduces new characters whose race is established within this production, not changed from prior sources. Legacy characters from the parent film are portrayed by their original actors, maintaining their established race. No character's race was altered from a previously established canon.