Jemma Anne Simmons 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 Tancharoe
Elizabeth Henstridge as Jemma Simmons in a promotional image for season four
Melinda Qiaolian May, also known as The Cavalry, is a fictional character who first appeared in the Marvel Cinematic Universe, then in Marvel Comics. The character, created by Joss Whedon, Jed Whedon
Ming-Na Wen as Melinda May in a promotional image for season four