Former second-in-command to Nick Fury, head of SHIELD. She was the head of SHIELD for a longer period of time, especially in the ultimate universe. In this main universe, she's serving as the main liaison between the Avengers and SHIELD. SHIELD is basically the CIA on steroids in the marvel universe. High-trained tacticians, hand-to-hand combatants and all-around BA's is the description for most agents. Maria is this times 100. Her voice should be leader-like.