So she pulled on her boxing gloves and learned how to throw a punch or two to satisfy the filmmaker.
She says, "I did have to take some boxing lessons. David, when he cast me, told me I didn't look like a girl who could throw a punch, so I had to prove him wrong."
But Adams insists she was born with the fighting spirit - because she comes from a big family: "I'm one of seven kids so you have to fight for everything! It was relatable."