Fan Casting Martian Manhunter

J'onn J'onzz comes to earth thanks to Doctor Erdel, where he meets John Jones the detective who falls into a trap and is murdered, but J'onn impersonates him, and working as a detective he finds a project which investigates beings of other worlds, the Cadmus project. Cay'An is another survivor of Mars, which seeks revenge for the death of her people, she seeks Ma'alefa'ak, the evil brother of J'onn J'onzz, when not finding him directs her anger to J'onn, and together with Scorch.