CNN  —  It’s not unusual to see superheroes in the streets when it’s Carnival time in Brazil. Batman, Superman and Spider-Man are common sights on the streets of São Paulo during what’s sometimes called the world’s biggest party. But among the many people dressed in figure-hugging colorful lycra for this year’s festivities, four dressed as the 1990s-era Power Rangers really went the extra mile. Footage shared by São Paulo authorities on Saturday showed what appeared to be the red, blue, yellow