Isabela Merced, Edi Gathegi, and Nathan Fillion Join the Cast of "Superman: Legacy"

In addition to Corenswet as Superman and Brosnahan as Lois Lane, Isabela Merced is set to play Hawkgirl, Edi Gathegi will take on the role of Mister Terrific, and Nathan Fillion will portray a Green Lantern, Vanity Fair confirmed on July 11.

The film is rumored to bring back Superman's biggest archnemesis, Lex Luthor, and Gunn said on Twitter in April that he was also planning for the movie to have some version of Daily Planet photographer Jimmy Olsen, too. Gunn also said that Krypto the Superdog would appear in the film in a May interview with the Toronto Sun.