Leo Fitz

Leo Fitz is a S.H.I.E.L.D. engineer recruited straight out of the academy alongside his lab partner, Jemma Simmons, whose gadgets and technical expertise keep the team alive through seven seasons of increasingly strange threats. He and Simmons are finally reunited with the daughter they spent years planning to have by the series' end. Read more →

First turns up in Agents of S.H.I.E.L.D. (Season 1).