One Avenger’s track record makes him the most successful MCU hero out of all major members of Earth’s Mightiest Heroes. The MCU’s Avengers were a really unbalanced team of heroes. Avengers like Thor and Hulk are capable of fighting gods by themselves, while Black Widow and Hawkeye don’t have any real superpowers and usually wield rather mundane weapons like handguns and arrows. However, the Avengers have saved the world multiple times, and only a handful of them have died for good.

https://screenrant.com/hawkeye-avengers-battles-never-lost-op-ed/