LOS ANGELES April 18, 2026 Director James Gunn marked Superman Day on April 18 with a lighthearted video posted to X, giving fans a fun glimpse into how the DC Universe stars are celebrating the annual occasion.
In the 47-second clip, Gunn appears first, smiling in a white hoodie and declaring, “Happy Superman Day! It’s the happiest day of the year.”
The video then cuts to the stars of the DCU’s Superman saga:
- David Corenswet (Superman) beams with arms crossed, wishing fans a “Happy Superman Day.”
- Nicholas Hoult appears in full Lex Luthor mode — bald, wearing aviator sunglasses and a luxurious fur-collared coat — delivering the cheeky line: “Mostly hang out with you.”
- Action-packed footage shows Superman in intense battle scenes.
- Jason Momoa (in his DCU role) greets the Man of Steel with “Supes, what’s up bro? It’s all about you as usual.”
- Milly Alcock (Supergirl) appears in costume, warmly saying “Happy Superman Day!”
- Even Krypto the Superdog gets screen time, looking adorable and ready for treats.
Gunn’s accompanying caption perfectly summed up the vibe: “We all celebrate Superman Day differently. Krypto’s eating treats, Supergirl is off on an adventure, and Superman is… hanging out with Lex?”
The post quickly went viral, racking up over 11,000 likes and hundreds of thousands of views within hours. Fans flooded the replies with excitement, sharing their own Superman Day traditions and praising the cast’s chemistry.
Superman Day, observed every April 18, honors the iconic superhero who first appeared in Action Comics #1 in 1938. With the 2025 Superman film already a box-office success and Supergirl: Woman of Tomorrow set for release in June 2026, the DCU continues to expand under Gunn’s leadership as co-CEO of DC Studios.
The video ends with a glowing “Superman Day 2026” logo, teasing more adventures ahead — including the upcoming sequel Man of Tomorrow, which reportedly sees Superman and Lex Luthor teaming up against a larger threat.
Fans can watch the full video on Gunn’s X account (@JamesGunn).
What’s your favorite way to celebrate Superman Day? Let us know in the comments!
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