Cobie Smulders is well-known for her breakout role ... one of the top agents of SHIELD, in "The Avengers." As she appeared throughout the MCU, she continued to add other films to her resume ...

Canadians Will Arnett and Cobie Smulders will lead a quirky superhero ... she recently reprised her MCU role as SHIELD agent Maria Hill on Secret Invasion. McDonald is a member of the ...