The 'Supergirl: Home' trailer launches a cosmic, emotionally charged vision of Kara Zor-El—redefining the superheroine for a new era of space sci-fi and setting the stage for one of 2026’s most anticipated DCU films.

The DC Universe is about to get a cosmic shake-up. With the release of the 'Supergirl: Home' trailer, fans are treated to a dazzling, emotionally raw first look at Kara Zor-El’s journey through trauma, identity, and interstellar adventure. This isn’t just another superhero origin story—it’s a space sci-fi epic that promises to push the boundaries of the genre and redefine what it means to be a hero among the stars.

Kara Zor‑El’s (Milly Alcock) path to becoming Supergirl takes centre stage in this bold new chapter of the DCU. Image credit: TMDB

A Gritty, Cosmic Reimagining

Directed by Craig Gillespie and produced by James Gunn, Supergirl draws inspiration from Tom King and Bilquis Evely’s acclaimed comic Supergirl: Woman of Tomorrow —a story celebrated for its depth and cosmic scope. The initial teaser trailer, released on 11 December 2025, immediately sets a different tone: Kara (Milly Alcock) wakes up in a cluttered room, Krypto the Superdog by her side, her Kryptonian cape discarded. This is a Supergirl burdened by loss, not the flawless icon of old. Visually, the trailer contrasts the vibrant, doomed world of Krypton with the stark, desaturated environments Kara now inhabits. We see her present-day reality: a dimly lit, cluttered room, Krypto at her side, and remnants of her past scattered around. The muted color palette and handheld camera work reinforce the film’s grounded, raw aesthetic, setting it apart from glossy superhero fare.

The latest trailer, released on February 8, 2026, deepens this vision with a concentrated, emotionally charged glimpse into Kara’s journey. It opens with a poignant flashback to Argo City, where a young Kara first meets Krypto as a rescue pup—just moments before Krypton’s destruction. This sequence forges a powerful bond between Kara and Krypto, underscoring the trauma and loss that define her character.

Supergirl | Home Official Trailer. By DC/Warner Bros. From @dcofficial

The trailer teases high-stakes action—quick cuts of Kara and Ruthye navigating alien landscapes, bar fights, and Kara unleashing her powers in explosive combat. A brief but impactful shot of Kara cradling a weakened Krypto hints at the emotional stakes and dangers they face together. Fan and critical reactions have been overwhelmingly positive, praising the trailer’s emotional depth, cosmic visuals, and the chemistry between Milly Alcock’s Kara and her companions.

Gillespie describes the film as

“really an antihero story... She’s got a lot of baggage and a lot of demons coming into this, which is very different than where Superman is in his life”.

Gunn echoes this, noting,

“So many times, female superheroes are so perfect; she’s not that at all. She’s very imperfect, like male superheroes have been allowed to be for a while, and I was excited about doing it”.

Plot: Trauma, Vengeance, and the Search for Home

The heart of Supergirl is Kara’s struggle to find belonging after the destruction of Krypton and Argo City. Unlike Superman, who never knew his home planet, Kara remembers every detail of her lost world—a trauma that shapes her worldview and fuels her reluctance to embrace Earth as her new home. The trailer’s flashbacks to Krypton’s demise and Argo City’s doomed survival are visually stunning, grounding the film in classic space sci-fi spectacle.

Kara’s journey is catalysed by Ruthye Marye Knoll (Eve Ridley), a young alien girl seeking vengeance for her father’s murder at the hands of Krem of the Yellow Hills (Matthias Schoenaerts). Initially, Kara is a reluctant hero, numbing her pain with hard partying and cynicism. But Ruthye’s plea forces her to confront her own trauma and the question of whether justice or vengeance is the right path.

Ruthye Marye Knoll’s (Eve Ridley) quest for justice draws Kara into a destiny she doesn't believe in. Image credit: TMDB

Cast and Cosmic Connections

Milly Alcock’s casting as Kara Zor-El is a revelation. She brings a raw, flawed humanity to the role, stating,

“She’s not defined by perfection, like her cousin. The superhero part is so secondary”.

The supporting cast is equally impressive: Jason Momoa’s Lobo, the intergalactic bounty hunter, adds a wild-card element, while Krypto the Superdog provides both comic relief and emotional depth.

Jason Momoa's part as Lobo in Supergirl is looking like a perfect casting choice. Image credit: TMDB

The film’s cosmic scope is further expanded by its interstellar settings—alien worlds, space bars, and rocket-ship taxis evoke a “cosmic western” vibe reminiscent of Firefly. The visual effects are top-tier, blending practical and digital artistry to create a universe that feels both alien and lived-in.

Space Sci-Fi Themes and Kryptonian Legacy

At its core, 'Supergirl' is a meditation on identity, loss, and resilience. Kara’s Kryptonian heritage is not just backstory—it’s the emotional engine of the film. The trailer’s standout line, “He [Superman] sees the good in everyone. And I see the truth,” perfectly encapsulates Kara’s more cynical, clear-eyed approach to heroism. This contrast with Superman’s optimism is a fresh take for the DCU, promising a more nuanced exploration of what it means to be a survivor in a universe that has taken everything from you.

The film’s space sci-fi credentials are impeccable: from the destruction of Krypton to cosmic battles and alien technology, every frame is steeped in the grandeur and danger of the unknown. The inclusion of Lobo and other DC cosmic characters hints at a broader, interconnected universe that will excite long-time fans and newcomers alike.

The intricate landscapes and spacecraft designs offer an early glimpse of the space‑sci‑fi aesthetic shaping the Supergirl movie. Image credit: TMDB

Critical and Fan Reception

Early reactions to the trailer have been overwhelmingly positive. Critics praise its bold, character-driven approach and punk-rock energy, amplified by the inspired use of Blondie’s “Call Me”. Fans are particularly excited by the film’s commitment to cosmic adventure and its willingness to tackle deeper emotional themes. While some have debated the trailer’s muted colour palette, most agree that Supergirl is poised to be a standout entry in the new DCU.

Behind the Scenes: Crafting a New Heroine

The creative team’s pedigree is undeniable. Gillespie’s direction, Gunn’s cosmic storytelling expertise, and Ana Nogueira’s screenplay promise a film that balances emotional depth with blockbuster spectacle. The production’s high budget is evident in its ambitious visual effects and set design, while the cast’s commitment to authenticity shines through in every scene.

Alternative poster that expresses the film's anti-hero vibe with its muted colours. Image credit: TMDB

Conclusion: A New Dawn for Space Sci-Fi Superheroes

Supergirl isn’t just a superhero film—it’s a space sci-fi odyssey that dares to ask what it means to find home in a universe of loss. With its cosmic themes, Kryptonian legacy, and emotionally resonant storytelling, it’s set to become essential viewing for fans of both superhero cinema and space opera.

Find out more:

Supergirl | Official Movie Site

Prepare for lift-off: Supergirl lands in cinemas on 26 June 2026. For more cosmic space sci-fi news, keep your scanners locked on Scinexic.com.