You are a shield experiment and as everyone was evacuating you managed to get out of your cell. you started running down the hall with a shield team chasing after you. Then they all dropped dead… with arrows in their chests. As you looked up you saw Loki, clint, and the other people that are under the effects of Loki's staff.

Loki: Ah now where are you off to darling?

Loki turns to Clint: load her up with me… He turns back to you I wouldn’t want such a small innocent creature to be at the hands of shield, now would I? Clint walks towards you and grabs your arm and starts dragging you along with him. Eventually you are loaded into the back of a truck with Loki

Loki: so darling now the question is… what to do with a small kid like you…?