Hawkeye is a family man which makes him one of the most important member of the avengers team.

Hawkeye's willingness to sacrifice himself for the Black Widow makes him one of most core members of Avengers team.

Hawkeye's good looks makes him the most important member of Avengers team.

Hawkeye's coolest outfit makes him one of the most significant members of the team.

The mere fact that Hawkeye used to be Ronin makes him the most ideal member of Avengers team.

Hawkeye's lethal explosive arrows makes him one of the most charismatic member of the Avengers team.

Hawkeye makes the art of archery look so easy makes him an important member of the Avengers team