Appears on these pages
Alphonso "Mack" Mackenzie is an agent of S.H.I.E.L.D. Despite the heavy casualties S.H.I.E.L.D...
A gallery of images of S.H.I.E.L.D. mechanic Alphonso Mackenzie. Episode 2.02: Heavy is the Head...
Leopold James "Leo" Fitz is a Scottish-born S.H.I.E.L.D. agent and scientist. A genius engineer...