When it comes to S.H.I.E.L.D., the Marvel Cinematic Universe has tried its best to really make the secret organization stand out. The ABC TV series, Agents of S.H.I.E.L.D., told a comprehensive tale with Phil Coulson's crew. It was complimented by Agent Carter, effectively exploring how the organization safeguarded the planet in both the past and present.
Source：https://www.cbr.com/what-if-cameron-klein-agent-of-shield-reference/
