Dinah heard that roar coming from at least a block away. The ground started shaking and she heard a car alarm or two go off. And suddenly there was a gigantic green man in between herself and the men with guns. Dinah knew about Bruce's alterego but she hadn't meant to call the Hulk when she'd called for help. She made a point to stay behind him even as the gunmen shouted and opened fire on the green creature.
The blonde crimefighter did her best to stay out of both the gunfire and the potential for swinging fists. She thought she saw some recognition in the Hulk's eyes and she just hoped that it would be enough to keep her safe and on the side of 'ally' as opposed to potential enemy.
She couldn't help but watch in awe as the giant crashed around. It was certainly a sight to behold, even if she hadn't meant to rain down quite as much destruction and chaos on the men who'd just tried to kill her.