Iron Man is arguably the most significant superhero in the MCU , as Tony Stark's entire story culminates in his saving the universe. However, just because he's important doesn't mean the MCU has room to adapt all of his many stories from the comics (far from it).

MCU fans have only seen a small fraction of Iron Man's lore in the movies . Sure, Robert Downey, Jr. did a phenomenal job bringing Tony Stark to life , and the films in which Iron Man appeared successfully adapted key moments from the comics, but there's plenty the MCU missed.

10 Tony Stark's Alcohol Addiction

Iron Man: Demon in a Bottle comic panel with Iron Man looking stressed

"Demon in a Bottle" is one of Tony Stark's most iconic stories to date , as it shows him battling not a global threat, but his own alco

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