Weren’t there some trans and gay comic book characters? I wonder what happened to them? I’ll bet they were killed by market forces, just as this one will be.
People will not pay money to see a propaganda film.
Wikipedia currently lists 144 LGBT superheroes. The most prominent among them include Batwoman, Catwoman, John Constantine, Deadpool, Hercules, Iceman, Green Lantern (Earth-2 version), and Wonder Woman.