Elon Musk
Another Marvel cameo fans won’t soon forget is Elon Musk himself appearing in Iron Man 2 – as himself. The CEO of Tesla and SpaceX made a brief appearance when he goes to speak to Tony Stark at an event. Tony even complimented Elon’s “Merlin engines”. After thanking him, Elon says: “I’ve got an idea for an electric jet!”. The whole cameo, despite the fact that it was only for a few seconds, was pretty hilarious.