Rosalind Price

Rosalind Price is the director of the ATCU, a government agency for Inhuman containment, who becomes both a reluctant S.H.I.E.L.D. ally and Phil Coulson's romantic partner. She is assassinated by Grant Ward, shot through her apartment window as a message to Coulson.

First turns up in Agents of S.H.I.E.L.D. (Season 3).