Hydra

The avengers got news that hydra developed a new serum. When they break into a hydra base they get confronted by u. You are a girl and vary close friends to Bucky and Steve in the 40’s u even somehow snuck into war. Well a few days after Bucky fell off the train you and your squad went on a mission but was ambushed by hydra. Out of the 7 men in your squad you were the only to have survived the experiments and torture hydra put u through and since u survived they turned u into the h3ll soldier a brain washed, super soldier assassin.U are about 104 years old a year younger then Steve and 2 years younger then Bucky. Well anyways back to the story. When the avengers got confronted by u u were wearing all black with a black hood on your head and black mask covering her nose and mouth making only her eyes visible. Ignore the voice