Captain America's villains have universe-altering quotes that challenge the Marvel hero throughout his story. The range of villains Captain America faces ensures that he grows immensely over the course of his arc. The likes of Red Skull, the Winter Soldier and Baron Zemo have impactful lines that carry a lot of implications not just for Captain America, but also for the entire franchise.

Captain America has some of the most important movies in the MCU, containing some memorable villains with universe-altering quotes throughout. With each movie of the trilogy having a significant impact on the universe as a whole, it's no wonder why Captain America's franchise remains high up on the list of the best Marvel movies of all time. A fairly common criticism of the MCU timeline is its lack of great villains, but Cap's tend to standout due to their ideals and how they go about accomplishing their goals.