Supergirl: Over 50 Easter Eggs And DC References

Updated  Sep 12, 2026, 6:45 PM EDT

Since 2019, Kevin Erdmann has been one of Screen Rant's Senior Staff Writers, covering all kinds of Superhero and Star Wars media with Easter egg breakdowns, theory pieces, breaking news, and more. A huge Star Wars & MCU fan, Kevin also loves Batman (because he's Batman), but could talk for hours about why Nightwing is DC's greatest hero. 

With 8 years of total experience covering entertainment and pop culture, Kevin has gotten the chance to interview top creatives and talent, and has also attended major media events like Disney's D23 convention.

Majoring in Cinema Studies with a minor in Comics and Cartoon Studies from the UofO, Kevin lives in Oregon with his wonderful wife, adorable dog, and sinister cat who is no doubt currently plotting his demise.

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Warning! This post contains SPOILERS for Supergirl (2026)James Gunn's DC Universe continues to expand with Supergirl, the second movie in the brand-new cinematic universe starring Milly Alcock as Kara Zor-El and Eve Ridley as young Ruthye Marye Knoll. Building upon the foundations of 2025's Superman, Supergirl is packed with a large collection of Easter eggs, references, callbacks to the critically acclaimed Woman of Tomorrow series, and ties to the greater DCU at large.

While some of the references and connections in Supergirl are easier to spot than others, some are pretty well hidden and are more subtle. Largely inspired by Tom King and Bilquis Evely's 8-issue Supergirl: Woman of Tomorrow series, several key characters and moments from the beloved comic were adapted for this new DCU movie. Keeping that in mind, here's our breakdown of all the biggest Easter eggs, references, cameos, and DCU connections we spotted during our first watch of 2026's Supergirl from director Craig Gillespie.

Superman Newspaper

The newspaper Kara has laid out for Krypto to do his business features headlines about her cousin's superheroics (and a smaller side column covering her own).

Holzzher

One of the planets featured in Supergirl is named Holzzher, named after DC editor Brittany Holzherr, who worked on the original Woman of Tomorrow comic.

Krem & The Brigands

Warner Bros.

While the DCU's Krem (Matthias Schoenaerts) is a large visual departure from the Krem of the Yellow Hills seen in the comics, it's also revealed that he's a key leader of the Brigands. In Woman of Tomorrow, Krem joined the Brigands after he poisoned Krypto and stole Kara's ship.

Ruthye Marie Knoll's Murdered Family

In Woman of Tomorrow, it was only Ruthye's father who was slain by Krem, while her mother and multiple brothers lived.

"Red Sun People"

While drunk on her 23rd birthday, Kara wonders if she and Krypto should just become "Red Sun People", a reference to her lack of powers and ability to get drunk on planets orbiting red suns, something that was first confirmed in the DCU during her cameo in 2025's Superman.

A Valuable Sword

Armed with the sword Krem used to kill her father, it's revealed that Ruthye's blade is quite strong and valuable, just like in Woman of Tomorrow. However, the sword originally belonged to Krem in the comic series, with Ruthye's father and entire family being simple rock farmers. Elias Knoll being a gifted and renowned swordsmith is brand-new for the DCU canon.

"I'm Just Worried You Won't Find Your Stride In Metropolis"

Clark's concern for her cousin ties to his worries at the end of 2025's Superman, while also implying that Kara has a place to live somewhere in the Man of Steel's city.

“Hey, look, I’m bleeding.”

Despite being on a red sun world (and very drunk), Kara still manages to be surprised when the brute who tried stealing Ruthye's sword hits her and causes her to bleed, mirroring a very similar opening scene in Woman of Tomorrow.

Krypto Poisoned

Mirroring Woman of Tomorrow, Krem shoots Krypto the Super Dog with a uniquely poisoned arrow, causing Kara's loyal dog to be critically wounded thanks to the red sun.