The Super Mario Galaxy Movie: 5 Crucial Updates On The Super Mario Bros. Movie 2 Release Date, Cast, And Plot

The Super Mario Bros. Movie sequel is officially confirmed, and the latest news, as of December 2025, points to a massive, cosmic expansion for the Mushroom Kingdom. After the first film’s monumental success, which grossed over $1.3 billion globally, Nintendo and Illumination are preparing to launch the franchise into space with a highly anticipated follow-up. The new film is widely reported to be titled The Super Mario Galaxy Movie, promising an adventure inspired by one of Mario’s most beloved game series.

The sequel’s development is well underway, with the core creative team and beloved voice cast locked in to return. This article breaks down every confirmed and heavily rumored detail about the film, from its official release date and returning actors to the introduction of major new characters like Rosalina and the potential expansion of the Nintendo Cinematic Universe.

The Super Mario Galaxy Movie: Confirmed Cast, Creative Team, and Release Date

The foundation of the sequel remains firmly planted in the success of the 2023 blockbuster, with the key personnel from both Nintendo and Illumination returning to ensure continuity and quality. This is the official profile of the highly anticipated animated film.

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Official Film Biography and Production Details

• Official Title: The Super Mario Galaxy Movie (Widely reported title for the sequel)
• US Release Date: April 3, 2026
• Japan Release Date: April 24, 2026
• Studio: Universal Pictures / Illumination
• Production: Illumination, Nintendo
• Producers: Shigeru Miyamoto (Nintendo) and Chris Meledandri (Illumination CEO)
• Directors: Aaron Horvath and Michael Jelenic (Returning)
• Writer: Matthew Fogel (Returning)

Confirmed Returning Voice Cast

The all-star voice cast that defined the first film is confirmed to reprise their roles, bringing back the familiar voices of the Mushroom Kingdom heroes and villains.

• Mario: Chris Pratt
• Princess Peach: Anya Taylor-Joy
• Luigi: Charlie Day
• Bowser: Jack Black
• Toad: Keegan-Michael Key

Highly Speculated New Cast and Characters (Adding Topical Authority)

The sequel's title, *The Super Mario Galaxy Movie*, has fueled intense speculation about major new additions, which are now being heavily reported across multiple outlets.

• Rosalina: Brie Larson (Rumored to voice the cosmic princess and protector of the Lumas)
• Bowser Jr.: Benny Safdie (Rumored to voice Bowser’s son, a key character in the *Galaxy* games)
• Luma: The Lumas, small star-like creatures, are central to the *Galaxy* plot. The film is expected to explore their connection to the nihilistic fan-favorite, Lumalee, from the first movie.

The Super Mario Galaxy Movie Plot: Exploring the Cosmos and Rosalina's Origin

While official plot details are being kept under wraps by Nintendo and Illumination, the reported title, *The Super Mario Galaxy Movie*, provides a clear roadmap for the sequel's narrative direction. The film is expected to draw heavily from the critically acclaimed 2007 game *Super Mario Galaxy* and its 2010 follow-up, *Super Mario Galaxy 2*.

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A Cosmic Shift in Scale

The first movie ended with the threat of Bowser contained and Mario and Luigi fully embracing their roles as heroes of the Mushroom Kingdom. The sequel will dramatically expand this world by taking the adventure into space. The central conflict of the *Galaxy* games revolves around Mario traveling through numerous galaxies to collect Power Stars and save the universe from Bowser, who often kidnaps Princess Peach and uses the cosmos for his schemes.

The plot is anticipated to begin on the night of the Star Festival, a major event in the Mushroom Kingdom, before a major cosmic event—or a new attack by Bowser—sends Mario and his friends to the Comet Observatory, the central hub of the *Galaxy* universe. This shift in location will introduce a host of new environments, enemies (like the Big Piranha and Big Boo), and powerful entities.

The Introduction of Princess Rosalina

The most significant new character is expected to be Rosalina. In the game lore, Rosalina is the adoptive mother of the Lumas and the protector of the cosmos. Her backstory, detailed in the game's storybook, is a poignant tale of a young girl who found a lost Luma and eventually traveled the universe to build the Comet Observatory.

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The sequel is highly likely to explore this origin story, potentially linking it to the fate of the Luma species. The presence of the existentialist Luma, Lumalee, in the first film's prison scene was a clear Easter egg, and *The Super Mario Galaxy Movie* is expected to pay off that reference by introducing their "mother" and exploring the deeper, more emotional lore of the Mario universe.

The addition of Rosalina, especially with a high-profile actress like Brie Larson rumored for the role, suggests a major focus on this new character, potentially establishing her as a co-lead alongside Princess Peach and Mario.

The Future of the Nintendo Cinematic Universe (NCU)

The success of the first *Super Mario Bros. Movie* has confirmed Nintendo's commitment to building a cinematic universe, and *The Super Mario Galaxy Movie* is merely the next major pillar in this ambitious plan. Nintendo has made it clear that they are preparing for even more movies in the future, establishing a clear trajectory for the Nintendo Cinematic Universe (NCU).

A Multi-Franchise Strategy

While the Mario sequels will be the central tentpole, Nintendo and Illumination are looking to branch out to other beloved franchises. Rumors and reports suggest several other projects are in various stages of development, indicating a diversified strategy to capitalize on their extensive IP library.

• The Legend of Zelda Movie: This live-action adaptation, announced to be in development with Sony Pictures, is the next confirmed major project in the NCU after the Mario sequel.
• Donkey Kong Country Movie: Given the popularity of Seth Rogen’s Donkey Kong in the first film, a spin-off focusing on the Donkey Kong Country universe is highly anticipated and widely rumored.
• Luigi's Mansion Movie: A potential project focusing on Luigi's ghost-busting adventures, drawing from the popular *Luigi’s Mansion* game series, is also a strong possibility for a future animated film.
• Princess Peach Movie: A solo outing for Princess Peach, following her strong portrayal in the first film, is another project often discussed in the context of the expanding NCU.

This long-term strategy, anchored by the release of *The Super Mario Galaxy Movie* in 2026, ensures that the world created by Shigeru Miyamoto and Illumination will continue to expand, offering fans new adventures across multiple beloved franchises for years to come. The sequel is not just a film; it's a launchpad for the next phase of a major cinematic universe, promising a grand, space-faring adventure that will redefine the scale of the Mario franchise on the big screen.