Without access to plot summaries or character descriptions for 'Mercy, 2020', an assessment of its portrayal of LGBTQ+ characters and themes cannot be made. Therefore, the net impact is categorized as N/K due to insufficient information.

There is insufficient information available about the film 'Mercy, 2020' to assess its portrayal of transsexual characters or themes. Without plot details or character descriptions, a determination of positive, negative, or neutral impact cannot be made, as no relevant character arcs or story plots are known.

The movie does not contain any action or adventure elements.

No source material or prior canon is provided for the film "Mercy, 2020." Without established character genders from a previous work or historical record, it is impossible to determine if any character has undergone a gender swap.

There is no information provided to suggest that "Mercy, 2020" is an adaptation of existing source material or features characters with pre-established racial identities. Therefore, no race swap can be identified.