However, things with Clark Kent's Ma and Pa could get far more serious in next summer's Man of Tomorrow. It was a tragic moment, and one it makes sense for Gunn to put his own spin on in Man of Tomorrow. On the plane, I watched the new Superman movie to get in the mood," Brainiac actor Lars Eidinger previously said of the audition process. In Man of Tomorrow, Superman will be forced to team up with Lex Luthor to battle Brainiac, a threat not just to Metropolis but to the entire world. Man of Tomorrow arrives in theaters on July 9, 2027.