In it, we see a Yoshi egg has ended up in the Brooklyn sewers after Mario and Bowser’s fight brought parts of the Mushroom Kingdom into the movie’s depiction of New York.

Source: https://kotaku.com/super-mario-movie-end-credits-post-scene-yoshi-how-many-1850304951

It grounds them ahead of their eventual adventures into the Mushroom Kingdom and is a relatively down-to-earth section of the film.

Source: https://www.cbr.com/super-mario-bros-movie-punch-out-easter-egg/

The animators do not stray far from the established and iconic designs of the worlds and characters of Super Mario Bros., right down to the Mushroom Kingdom, the Cheep Cheeps, Goombas, and Bloopers.

Source: https://411mania.com/movies/the-super-mario-bros-movie-review/

The film features Mario and Luigi, two brothers seen as failures in their family, as they are separated from one another while being transported from Brooklyn to the Mushroom Kingdom.

Source: https://www.themiamihurricane.com/2023/04/23/peaches-peaches-peaches-a-super-mario-bros-review/

The first film follows the titular Mario brothers as they leave Brooklyn and are sucked into a mystical land known as the Mushroom Kingdom.

Source: https://screenrant.com/super-mario-bros-2-missing-characters-casting-voice-actors/

There are likely a lot of longtime Nintendo fans who would love an opportunity to just hang out in the Mushroom Kingdom or other associated lands, and spend time with beloved characters like Luigi and Yoshi.

Source: https://gamerant.com/mario-cozy-relaxing-spin-off-games-good-natural/

The Super Mario Bros Movie explores the lore of the Nintendo game and answers questions about how Mario and Luigi, two Italian-American plumbers, end up in the Mushroom Kingdom.

Source: https://screenrant.com/disney-animated-movies-beat-super-mario-bros-releases-timeline/