The continuation of Superman is already confirmed with the announcement of Man of Tomorrow, set to soar into theaters in 2027. But the question on everyone’s mind is — what could this movie possibly be about?
Let’s put on our detective capes and break it down.
Clue #1: It’s a Team-Up Movie
Notice something? The title isn’t “Superman: Man of Tomorrow.” That’s not a typo.
It’s intentional.
That means it’s not just Superman’s story — it’s their story. And who’s the “their” in question? None other than Lex Luthor.
Yep, you heard that right. Superman and Lex working together. Even James Gunn’s own teaser artwork hinted at the two facing off against a bigger threat — one that neither could handle alone.
So, who’s the big bad?
Clue #2: Enter Brainiac
Who’s powerful enough to trade punches with Superman and outsmart Lex Luthor?
Only one name fits: Brainiac.
Gunn even posted a photo of the finished script — with a giant brain on its cover. It’s as clear as Kryptonian crystal.
For the uninitiated, Brainiac is a cold, calculating alien (or android, depending on the comic) obsessed with collecting cities. Literally. He shrinks them down, jars them up, and adds them to his twisted cosmic museum.
Before Krypton exploded, Brainiac bottled the city of Kandor — and that bit of lore is almost guaranteed to show up in this movie.
Clue #3: Peacemaker Season 2 Connection
James Gunn confirmed that the ending of Peacemaker Season 2 will directly set up Man of Tomorrow.
At the end of Peacemaker, our anti-hero winds up alone in Salvation — a dimensional prison created by Rick Flag Sr. for dangerous metahumans.
Comic fans might recognize this from Salvation Run — a storyline where DC’s villains are stranded on a hellish world. One faction led by Lex Luthor tries to build a way home; another, led by the Joker, just wants chaos. It’s a full-blown villain civil war.
So, What’s the Storyline?
Thirty years after Krypton’s destruction — and Kandor’s capture — Brainiac discovers that one last Kryptonian survived: Superman. To complete his collection, he sets his sights on Metropolis.
Superman intercepts Brainiac’s ship, learns even more dark truth about his heritage (remember, in the last movie, it was revealed his parents sent him to Earth to conquer it and build a harem, of all things), and nearly dies in space before limping back to Earth.
Meanwhile, Lex Luthor — still locked away in the prison — pitches an insane idea. His government-controlled team has access to the Quantum Unfolding Chamber, which can open portals to Salvation. Lex proposes using it to trap Brainiac forever.
The catch? He needs out.
Suited up in his classic green-and-purple armor, Lex joins forces with a very reluctant Superman. Together, they hatch a plan to drag Brainiac into Salvation.
But — surprise, surprise — Lex betrays him. Superman gets sucked into Salvation with Brainiac.
Lex becomes a free man for his contribution in defeating Brainiac. Meanwhile, Superman becomes trapped.
The Salvation War
Inside the prison dimension, Superman crosses paths with — who else? — Peacemaker.
The two team up to take down Brainiac, repurpose his tech, and open a Boom Tube to get back home. But things don’t go smoothly. The portal destabilizes, threatening to merge Salvation and Earth into one catastrophic dimension.
Now we’re looking at a wild three-way showdown: Lex vs Superman vs Brainiac.
Who will truly become the Man of Tomorrow?
Meanwhile, back on Earth, it’s up to Peacemaker, Supergirl, and Mister Terrific to stop the multiversal collapse.
Conclusion
And that’s the beauty of James Gunn’s DC Universe — everything connects, everything escalates.
If this theory turns out to be true, Man of Tomorrow won’t just be another Superman movie — it’ll be the ultimate test of heroism, intellect, and betrayal.
But hey… that’s just a theory.
A Super theory.
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