We Live to Fight! {Young Justice & Avengers Crossover}

My name is Amber. No last name? Yes, but I'm not going to tell you. I might look normal girl to everyone. But I'm not. I accidentally did something that changed the whole world forever. My mother works for S.H.I.E.L.D. and my dad? I have no idea. He left my mother when I was little. And he never came back so he kinda...