Since her official debut in 1959, Supergirl has struggled to emerge from the shadow of her cousin, Superman. So it’s a bold move that the second cinematic release in the newly rebooted DC Universe will be Supergirl.

Milly Alcock first appeared as Supergirl in the epilogue to Superman (2025). Her Supergirl is a brash “party girl” – an immediate contrast to David Corenswet’s squeaky clean rendition of Superman. Based on the comic book Supergirl: Woman of Tomorrow (2021) by Tom King and Bilquis Evely, she is a traumatised character, dealing with the destruction of her home planet of Krypton. “I have no people,” Supergirl laments in the trailer.

However, Supergirl was not always so introspective. The character and her alter ego, Kara Zor-El, first appeared in 1938, to cash in on the popularity of Superman. She was a preppy teenager who played a supporting helpmate role, allowing Superman to display his paternal side.

Publishers DC Comics also flirted with the concept of Superwoman. A 1943 story had Superman’s girlfriend, reporter Lois Lane, dream that she was Superman’s female counterpart. In her book Supergirl: Contemporary Feminist Reboot of a Hapless DC Comic Helpmate (2022), Batya Weinbaum suggests this moment reflected the “changing position of women in wartime”.

In a 1947 story, Lois Lane, Superwoman! from Superman issue #45, Lane is convinced she has superpowers, only to discover she is the victim of a ruse where Superman is using his influence to simulate the experience. This prompts her frustrated exclamation: “You men who try to keep women weak and defenceless – I hate........

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