Miranha is a popular Brazilian internet nickname for Spider-Man, used affectionately in memes, dubbed clips and short videos shared across social media and messaging apps. The phrase melhor superheroi, meaning best superhero, turns that affection into a playful claim that fans repeat, remix and quote in edits. Because the joke is simple, instantly recognisable and tied to a character almost everyone knows, it travels easily between Portuguese-speaking audiences and superhero fans, staying popular as a quick reaction sound for rankings, debates and fan celebrations.