Moving Past the Arrowverse
For nearly a decade, the definitive live-action Supergirl for many was Melissa Benoist’s portrayal on The CW. Her Kara Danvers was a beacon of hope, optimism, and earnestness—a character designed to inspire. She was the bright, sunny counterpart to a sometimes-brooding
Superman, embodying the core decency of the House of El. And for that series, it worked beautifully. She was the hero we needed then: a symbol of relentless goodness in a complicated world. But superhero storytelling, like all storytelling, needs to evolve. The announcement that James Gunn’s new DCU would adapt the *Supergirl: Woman of Tomorrow* comic series was the first clue that this new Kara Zor-El would be a very different person. This wasn’t going to be another story about a young woman learning to be a hero; it was going to be about a hero struggling with what she’d already become.
The Woman of Tomorrow's Influence
To understand this new Supergirl, you have to understand the source material. Tom King and Bilquis Evely’s *Supergirl: Woman of Tomorrow* (2021-2022) is a masterpiece of modern comics, but it’s not a happy story. In it, Kara Zor-El has spent her life in the shadow of her more famous cousin. While he was raised on a Kansas farm, she watched her entire world, Argo City, die. She is, as Gunn himself described her, “a character who was raised on a rock, a chip off of Krypton, and watched everyone around her die and be killed in terrible ways for the first 14 years of her life.” The comic finds her on her 21st birthday, jaded, drinking in an alien bar, and feeling profoundly adrift. She isn’t looking for trouble, but when a young girl seeks a hero to help avenge her murdered father, Kara is drawn into a grim, cosmic odyssey. This is a Supergirl who is angry, tired, and deeply traumatized. Her heroism isn't a given; it's a choice she has to keep making, even when she doesn't want to.
Why Milly Alcock Is Perfect Casting
This brings us to Milly Alcock. Anyone who watched her as the young Rhaenyra Targaryen in HBO’s *House of the Dragon* immediately understands the choice. Alcock excels at playing characters with immense power and privilege who are simultaneously trapped by their circumstances. Her Rhaenyra was proud, defiant, and possessed a simmering rage born from grief and injustice. She conveyed a world of emotional complexity with just a look—a blend of vulnerability and steel that is essential for the *Woman of Tomorrow* version of Kara. She can be a royal figurehead one moment and a dragon-riding force of nature the next. Gunn needed an actress who could portray not just a hero, but a survivor with a hard edge. He needed someone who could believably be Superman’s cousin but also feel like a fundamentally different, and arguably more world-weary, person. Alcock has already proven she has that exact range.
A Necessary Contrast to Superman
The casting doesn’t just serve Supergirl; it makes the entire DCU more interesting. The upcoming *Superman* film, directed by Gunn, is expected to re-establish the Man of Steel (played by David Corenswet) as a symbol of kindness and humanistic compassion. By placing a more cynical, hardened Supergirl alongside him, you create a fascinating dynamic. This isn't a sidekick or a student; this is a family member with a radically different life experience. Their debates about justice, mercy, and the use of power will have real weight. Her imperfect heroism provides a crucial counterbalance to his idealism. It allows the DCU to explore the full spectrum of what it means to be a Kryptonian on Earth—the hope and the horror, the responsibility and the rage. It’s a dynamic that feels more mature, more complex, and ultimately more human, despite involving aliens who can fly.

















