James Gunn reveals Superman secrets, teases Supergirl and DCU future

James Gunn, co-CEO of DC Studios and director of Superman (2025), opened up in a spoiler-heavy interview about the film’s themes, character decisions, and what’s next for the DC Universe (DCU).

Speaking to Rolling Stone, Gunn emphasized that Superman is rooted in kindness, compassion, and identity — rather than traditional notions of destiny and hope.

“I wanted a Superman who could be beaten,” Gunn explained, highlighting Kal-El’s vulnerability as a strength. The now-viral “punk rock” line was present in the early drafts and ties to Iggy Pop’s “Punkrocker,” which Gunn discovered via Spotify and used in the ending montage.

Gunn confirmed that the Justice Gang’s imp villain is not Mr. Mxyzptlk and discussed the fictional band “Mighty Crabjoys,” which inspired the end-credits song he co-wrote. A cameo poster in Clark Kent’s room reflects Lois’ understanding of Clark’s warmth, a moment Gunn called pivotal.

Supergirl, portrayed as a “rougher” character, will be the focus of Supergirl: Woman of Tomorrow (2026), written by Ana Nogueira. Gunn confirmed that Krypto the Superdog — now Supergirl’s companion — will return, but reassured fans that tonal shifts will occur.

Peacemaker Season 2 will explore dimensional conflict, not a direct reset of the DCEU. Meanwhile, Easter eggs in the Hall of Justice hint at long-term plans, though not all characters will appear soon. Gunn dismissed fan hopes of a retcon regarding Jor-El and Lara, saying their portrayal reflects the film’s emotional arc.

Gunn also hinted at fast-tracking Wonder Woman and acknowledged strong domestic performance, citing global anti-American sentiment as a hurdle abroad. Still, he remains optimistic: “This is just the seed of the tree we’ve been watering.”