Bruce Banner: 'If we do this, how do we know it’s going to end any differently than it did before?'
Black Widow: 'Even if there’s a small chance that we can undo this. I mean we owe it to everyone who’s not in this room to try.'
Iron Man: 'Romanoff. You and Banner better not be playing 'hide the zucchini'.'
Black Widow: 'Relax, shellhead. Not all of us can fly.'
Black Widow: 'I don't know, the truth is a matter of circumstances. It's not all things to all people all the time, and neither am I.'
Captain America: 'That's a tough way to live.'
Black Widow: 'It's a good way not to die though.'