As with many superheroes, the mantle of Captain America has been shared by a number of heroes in the comics.
The connective tissue of the MCU is its team-up movies, where the franchise's heroes must band together to fight Avengers-level threats.
In some ways, the MCU tried to gently touch on the ideas of the comics' Demon in a Bottle storyline, but ultimately it shirked any real exploration of Tony Stark's alcoholism.
Despite being one of the strongest villains in the MCU, Thanos has only technically been shown to "win" once - and that was later undone by the Avengers anyway.
As Marvel storylines go, DoomQuest might be a little out there, but it would undoubtedly make a good movie.
Written as a follow-up to Captain America: Civil War, the Civil War II storyline pits Tony Stark against Carol Danvers, and it simply wouldn't work in the MCU. Firstly.
In the comics, there was a time when Daredevil and Black Widow became romantically involved, moving to San Francisco to fight crime together.
Fin Fang Foom is one of Marvel's most significant dragon-like characters, and the Dragon Seed Saga storyline served as his comic book introduction.
Secret Empire is a storyline based on a simple premise: Steve Rogers is secretly a Hydra sleeper agent.
The Siege storyline saw involved Norman Osborn leading his team of Dark Avengers in an all-out assault on Asgard at the behest of Loki.