The working title of this episode was "The Sandwich Incident".
One of the direction posts in the S.H.I.E.L.D. base The Hub has a sign that points to the H.A.M.M.E.R. hanger, a sly nod to the Spider-Man comics when S.H.I.E.L.D. was run by long-time Spider-Man villain Norman Osborn.
After Agent Hill (Cobie Smulders) and Nick Fury (Samuel L. Jackson), Agent Jasper Sitwell (Maximiliano Hernández) is another character to make a cross-over from the Marvel movies to a Marvel television series. He was also seen in Thor (2011) and The Avengers (2012).
It's revealed that Leo and Jemma have level 5 security clearances.
First appearance of Victoria Hand and first-ever live-action portrayal.