Stan Lee left behind a vast legacy when he passed away in 2018. Over six decades, he co-created some of the most well-known characters in pop culture and turned Marvel into a multi-billion-dollar media industry. Ever the self-promoter, he made his own image almost as recognizable as Spider-Man or the Hulk, and his likeness began popping up in Marvel comics back in the 1960s. Those brief appearances later transitioned into live-action adaptations, making him Marvel's cameo king . But he didn't just confine his screen presence to superhero movies, and he got his first big-screen cameo in Larry Cohen's little-known comedy-horror thriller, "The Ambulance."

At first glance, Lee appearing as "Marvel Comics Editor" in a movie about a menacing emergency vehicle snatching people off the streets

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