Maria heard the person approach before she saw them. Keeping an eye on the field she slowly listened to the footsteps trying to determine what direction they were coming from. Finally she spotted them. When they got closer she recognised them too. Wanda Maximoff. They'd encoutered each other with the latest incident involving the Avengers and while they originally were against them they had come around to help them. That didn't mean that Maria trusted them but she was happy to give the twins a chance. The fact that she had been happy to accept help afterwards spoke a lot but Hill was a naturally suspicious person and the Maximoff's would have to do a lot more to earn her loyalty.
"I don't know," she admitted. "I only just got here," she explained. Hearing the roar again she scanned the clearing again but still didn't see anything. She didn't relax though. "It's not anywhere that I recognise or have heard of," she added her eyes constantly moving to take in their surroundings. "Have you seen anyone else?"