If it were one, maybe. But they were three, armed with Wakandan tech and Vibranium spears. They are one of the toughest group of non-enhanced warriors on the planet. You can't just grab them by the neck like a kitten if they have a spear that can gut you in an instant. To use your stock image example, give the kids a gun and the urge to fight back, see how good that goes for the adult.