The Marvel Cinematic Universe typically prides itself on being as comic-accurate as possible without losing its essence or identity.

10The Soviet Union

Wait, it wasn’t HYDRA?

When The Winter Soldier becomes active in the books, he actually works for the Soviet Union.

Blende dimage showing Bucky Barnes in the MCU

Custom Image by Collider Staff

HYDRA has absolutely no connection to the character in the source material.

This choice made the conflict surrounding his actions have a lot more national impact than a fake organization.

8Costume

Oh, Bucky… what are you wearing?

The Winter Soldier running from an explosion in Marvel Comics

Image via Marvel Comics

The same cannot be said about his comic book counterpart, though.

Inthe original Captain America books, Bucky Barnes isless of a military man and more of a superhero sidekick.

The Bucky of the source material is dressed more like the Robin to Captain America’s Batman.

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He’s got tights and colored in bright blue and red with an eye mask.

He certainly looks more like a superhero than an agent of the government.

7Death of the Starks

Calm down, Tony.

Soldiers surrounding a box holding Winter Soldier in Captain America: Civil War

Image via Marvel Studios

In the comics,The Winter Soldier had nothing to do with the death of the elder Starks.

6His “Death”

He’s fallen from two very different places.

5The Red Room & Black Widow

He and Natasha met far before the present day.

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The Red Room was finally further explored in the MCU throughBlack Widow.

4Becoming Captain America

‘Endgame’ could have gone much differently!

However,Bucky Barnes took up the Captain America mantlefar earlier than Sam in Marvel Comics.

Bucky Barnes running through the woods with a gun in Marvel Comics

Image via Marvel Comics

3His Memories

“Who the hell is Bucky?”

“The MCU has a much more layeredtake on it.

When Steve finds him inthe third Captain America movie, his recollections slowly come back but are muddy.

Howard Stark smiling for the camera

Image via Marvel Studios

2His Age At War

Wait… he was how old?

The friendship between Steve Rogers and Bucky Barnes is one of the best in the MCU.

Their time together as childhood friends, eventually going to war together, bonds them for life.

Sebastian Stan as Bucky in Captain America: The First Avenger

Image via Marvel Studios

There’s a very clear and lingering sense of loyalty between them that not even decades can erase.

In the comic books, Bucky isamong the oldest future Avengers.

When he joins Captain America in WWII, it’s typically assumed he’s about 16 years old.

The Winter Soldier and Black Widow standing back to back on a red background in Marvel Comics

Image via Marvel Comics

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Bucky Captain America standing in front of fire in Marvel Comics

Image via Marvel Comics

The Winter Soldier in a lad during a brainwashing session with H.Y.D.R.A.

Image via Marvel Studios

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Bucky Barnes smiling widely

Image via Marvel Studios

Sebastian Stan

Captain America: Brave New World

Captain America: The Winter Soldier