- The ring on the Mandarin's right pinky is the same ring Raza had on his right hand in Iron Man.
- Tony still hates being handed things, as in The Avengers and Iron Man 2.
- The "Dummy" robot is stuck on clean-up duty after a typical screw-up.
- Tony's advice to a kid with daddy issues is awkwardly say "no need to be a pussy about it," nodding to his own daddy issues in Iron Man 2.
- We actually see some people basing their "looks" on Tony at the end of The Avengers, and we briefly meet one in this film.
- The Roxxon Oil company previously showed up at the gas station in A Funny Thing Happened on the Way to Thor's Hammer.
Continuity Nod / Iron Man 3