Little Soldier

When Captain America finds out he has a daughter he never knew about he's baffled. On top of that, Loki is holding her prisoner. Cap is thoroughly pissed. Clint gets the assignment to make friends with his daughter once they save her which he accepts immediately. Can they save her before Loki gains control, or will he use her against them in his war? On top of all that, she'll have to learn how to control her strength as she grows, but can she?