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Developing· Nintendo· Published Sep 6, 2026

Leak Claims New Super Smash Bros. Is in Development, Mario Kart World DLC With Fox McCloud Planned for 2027

Centro LEAKS relayed new claims from leaker Malo932, saying Nintendo is developing a brand-new Super Smash Bros. game rather than a port of Super Smash Bros. Ultimate, while Nintendogs is also expected to return. The post also claims Mario Kart World will receive DLC in 2027 featuring Fox McCloud. Other alleged projects include a new Star Fox Adventures game, along with a 3D Mario title, Wario World, and a new 2D Metroid game potentially coming in 2027.

Developing42/100
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DNA Brief

Signal Summary

The leak covers several major Nintendo franchises. Alongside claims of a new Super Smash Bros. game and the return of Nintendogs, Mario Kart World is said to be getting 2027 DLC featuring Fox McCloud. The same source also claims a new Star Fox Adventures project is in development, while a 3D Mario game, Wario World, and a new 2D Metroid title could arrive in 2027. None of these claims have been officially confirmed by Nintendo.

Why It Matters

If accurate, these claims could point to a broader Nintendo software roadmap for 2027 rather than a single upcoming release. A new Super Smash Bros., the return of Nintendogs, and a new Star Fox Adventures project would all involve franchises with significant fan interest or long gaps between major releases. Mario Kart World DLC featuring Fox McCloud could also suggest a broader expansion of crossover characters and content. For now, however, the claims remain second-hand leaks, with no official confirmation of the projects, release timing, or their final scope.

DNA Read

Current confidence for this signal is 42/100; we continue to monitor additional independent sources to adjust the assessment.

Evidence

Start with the primary evidence, then review supporting sources and context.

1 items

Primary Evidence

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