Abner Jenkins was part of the Thunderbolts. He, along with the other Thunderbolts, were pressured by Baron Zemo into helping the villains kill the Avengers on V-Day. Years later, Jenkins told Hawkeye that he hadn't wanted to go through with it, but Zemo had convinced him and the other Thunderbolts that they owed him.

Twenty years after V-Day, Clint happened to see Jenkins in a bar, and his anger became too much for him to handle. Later that night, Clint went to Jenkins's home and they got into an argument which turned physical. Clint accidentally killed Jenkins during the fight, when Jenkins's head hit the corner of his furniture.