James Gunn confirmed on October 4, 2026, that he is already writing his next film while Superman: Man of Tomorrow moves through postproduction. The sequel is scheduled to arrive in theaters on July 9, 2027, and Gunn also said the movie's assembly cut is complete. Gunn shared the update on Threads after a commenter asked whether he was ready to begin another project. Gunn replied that he had already started writing, using the wait for the first cut of Superman: Man of Tomorrow as his excuse to stay busy. Superman Has Finished Filming, But the DC Machine Keeps Moving Superman: Man of Tomorrow follows the 2025 film Superman, with David Corenswet returning as the Man of Steel. The story pairs Superman with his enemy Lex Luthor, played by Nicholas Hoult , as they face Brainiac, a powerful new threat played by Lars Eidinger. Rachel Brosnahan returns as Lois Lane alongside Skyler Gisondo, Isabela Merced, Nathan Fillion, Edi Gathegi, Sara Sampaio, and Milly Alcock. The sequel will also bring Aaron Pierre to the big screen as John Stewart after his debut in the HBO Max series Lanterns. Gunn finished filming Superman: Man of Tomorrow in August and continues to oversee DC Studios with Peter Safran, a role he has held since 2022. Gunn previously described Safran as the person who keeps the studio aligned, while both executives have emphasized their responsibility to shape DC's most recognizable characters for a new generation.