The Avengers are the Earth's premiere defenders. The Avengers are known as Earth's Mightiest Heroes for good reason. They've defeated the greatest threats and comprise the most powerful and skilled heroes on the planet. Any bad guy who tries to attack the Earth or wants to take power from the duly elected governments has to deal with the Avengers.
Source：https://www.cbr.com/marvel-villains-avengers-too-merciful/
