text: An absurd saga unfolded in this city when a local militia began using the Bat Symbol to mark territory and rebranded itself as "the Justice League.
full_question: An absurd saga unfolded in this city when a local militia began using the Bat Symbol to mark territory and rebranded itself as "the Justice League." That group's leader, Batman, escaped prison and his daughter, Batgirl, was elected to city council. Areas in this city are menaced by vehicles known as "Big Skulls," a reference to an emblem of crossed pistols-and-dagger worn by the BOPE. A series of tests detecting the beta-lactamase KPC enzyme led to fears that its Guanabara Bay may be teeming with unstoppable "super bacteria." This city had a 2010 security crisis after criminals began torching hundreds of vehicles, and it employed controversial UPPs, or Pacifying Police Units. Located just south of the Imperial City of Petropolis, areas of this city include Rocinha and Botafogo in the South Zone, which includes Copacabana Beach. For 10 points, name this city, home to the world's most famous favelas, the site of the upcoming Summer Olympics in Brazil.
first_sentence: An absurd saga unfolded in this city when a local militia began using the Bat Symbol to mark territory and rebranded itself as "the Justice League.
raw_answer: Rio de Janeiro