James Gunn is teasing his vision for the Superman sequel Man of Tomorrow, describing it as a story fueled by hope, heroism, and spectacle. The film, which has started production, may feature a range of characters, including possibly another Green Lantern, Blue Beetle, Brainiac, and Lex Luthor, with some reports suggesting specific roles for actors such as Nathan Fillion and Milly Alcock. The exact details of the plot and cast are not yet clear, but Gunn's teasers have generated excitement and speculation about the project.