Nintendo and Illumination's 'Super Mario Galaxy Movie' is tracking for a massive million-plus five-day opening weekend, positioning it as the biggest box office debut of 2026 so far. The animated sequel, which takes Mario and friends into deep space, has generated enormous buzz since its first trailer dropped. Early Thursday screenings are already selling out across major markets, with IMAX and premium format showings leading the charge. The film expands on the beloved 2007 Wii game, bringing its gravity-defying platforming and cosmic scope to the big screen. Industry analysts predict the film could challenge the original 'Super Mario Bros. Movie' which opened to domestically in 2023. With spring break timing working in its favor and no major competition, the Galaxy Movie looks poised to dominate theaters through the end of March.