Melinda May

Melinda Qiaolian May, also known as The Cavalry, is a fictional character that originated in the Marvel Cinematic Universe before appearing in Marvel Comics. The character, created by Joss Whedon, Jed Whedon and Maurissa Tancharoen, first appeared in the pilot episode of Agents of S.H.I.E.L.D. in September 2013, and has continually been portrayed by Ming-Na Wen. Fictional character biography New Agent of S.H.I.E.L.D. Melinda May is brought on to the recently resurrected S.H.I.E.L.D. agent Phil Coulson's team as pilot and field agent, to investigate superhumans and other related phenomena. She is shown to be in a relationship with fellow agent Grant Ward. Coulson tells agent Skye that May, during a mission in Bahrain in 2008, single-handedly took out a superhuman threat and several accomplices, saving a team of S.H.I.E.L.D. agents, though a young girl was killed in the crossfire. Left traumatized by the experience, May withdrew from field duty. Later, her trauma is shown to be gradually healing. She also ends her relationship with Ward. Unknown to Skye and Coulson, May is monitoring their conversation, and reporting to someone else. When the Hydra Uprising begins, May reveals that she knew the truth about Coulson's resurrection and was monitoring him on director Nick Fury's orders, and Coulson refuses to trust her any more. Feeling unwanted, she leaves, searching to find out the truth behind Coulson's resurrection. She finds the truth and brings it back to Coulson. May later incapacitates Ward, who was a double agent for Hydra, and after Ward's mentor John Garrett's death, goes with the team to the Playground to help restart S.H.I.E.L.D., under the newly promoted director Coulson.