Answer
The character played by the actress, Lacy, in the Expendables film series from 2010 to 2012 is a skilled and courageous mercenary who forms part of the elite team led by Barney Ross (Sylvester Stallone). Known for her expertise with firearms and her unwavering loyalty, Lacy proves to be an indispensable asset in the team's dangerous missions, contributing her talents to successfully execute their high-stakes operations.