Screenwriter Ana Nogueira explains how that past treatment helped her craft this summer’s event movie.

Supergirl scribe teases her lost DC movie for Sasha Calle: ‘It could not have been more different’

Screenwriter Ana Nogueira explains how that past treatment helped her craft this summer's event movie.

By Nick Romano

Nick Romano

Nick Romano is a senior editor at ** with 15 years of journalism experience covering entertainment. His work previously appeared in Vanity Fair, Vulture, IGN, and more.

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June 25, 2026 3:00 p.m. ET

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Milly Alcock in 'Supergirl (2025); Sasha Calle in 'The Flash (2023). Credit:

Warner Bros.(2)

- Prior to this summer's *Supergirl*, screenwriter Ana Noguiera was hired to write one for the DCEU and Sasha Calle.

- "It could not have been more different," Noguiera says.

- The writer explains how that previous treatment helped her craft the Milly Alcock-led movie.

Before there was *Supergirl*, there was *Supergirl*.

Prior to the Milly Alcock-led film opening in theaters this weekend, the previous regime at DC hired screenwriter Ana Nogueira to work on a Supergirl movie that didn't materialize. It was for the DCEU, the franchise that began with 2013's *Man of Steel* with Henry Cavill and ended with 2023's *Aquaman and the Lost Kingdom* with Jason Momoa.

The project was meant for actress Sasha Calle, who made her debut as Superman's cousin in 2023's *The Flash*. "It was completely different," Noguiera tells **. "I don't think I can even say what it was about, but it could not have been more different."

The tweaks were vast, ranging from character to tone to mythology. "Everything," the scribe emphasizes. "Nothing transferred over from one to the other [Supergirl movie], which is crazy."

Sasha Calle's Supergirl in 'The Flash'. Courtesy of Warner Bros. Pictures/DC Comics

When director James Gunn and producer Peter Safran were then tapped to lead the new era of DC Studios and craft a completely new universe of interconnected entertainment, Nogueira thought her time in the house of heroes was over. It wasn't. Her duties reoriented around a new Supergirl movie, one that would fit into their world of the DCU, which now includes 2024's *Creature Commandos* animated series, 2025's *Superman* with David Corenswet, and *Peacemaker* season 2 with John Cena.

*Supergirl* with Alcock as Kara Zor-El is now based on the famed *Woman of Tomorrow* comic book arc by writer Tom King and artist Bilquis Evely. While partying on planets that orbit red suns, the cousin of Superman is approached by a young alien girl, Ruthye Marye Knoll (Eve Ridley), who seeks a warrior to avenge her slaughtered family.

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Despite her initial disinterest, Kara develops a personal stake when Krem of the Yellow Hills (Matthias Schoenaerts), the one who killed Ruthye's parents and brother, poisons her dog Krypto. Now, Supergirl has only three days to find him, grab the antidote, and save her lasting family tie to Krypton.

Momoa also re-enters the DC fold as a different character, Lobo, a heavy-metal intergalactic bounty hunter.

Regarding that earlier *Supergirl* treatment, which is now destined to collect dust in a drawer somewhere, "It was useful to me," Noguiera says. "There is a real thing when you're doing this, you have to really onboard yourself on things like power set, what these characters are capable of, what a fight would look like, how strong you want them to be. How strong is Superman? He's as strong as the writer needs him to [be]. Do you need them to throw a planet? Then you can do it. Do you need him to get the s--- kicked out of him? So that was really useful, that I knew that power set for [Supergirl] in and out."

Milly Alcock as Kara Zor-El in 'Supergirl'.

Courtesy of Warner Bros. Pictures

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Calle had high hopes for her future as Supergirl, but after the new DC leadership took over and Alcock was cast, the actress expressed only gratitude for the opportunity.

"I'm so grateful," she told EW in January 2026. "Someone mentioned today the video when [*The Flash* director] Andy Muschietti calls me and tells me that I got the job. And I still [remember], the feeling was so surreal, you know? And it's taken me to a place where I get to work now with Ben [Affleck] and Matt [Damon], Teyana [Taylor], Catalina [Sandino Moreno], Steven [Yeun], Kyle [Chandler]."

Calle worked with that list of actors on the Netflix film *The Rip* (2026).

"I'm so, so, so utterly grateful that it's brought me into this world where I can make art," she continued. "I loved it."

*Supergirl* will open in theaters this weekend.

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