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Being injected with the formula grants its user incredible durability and strength, as well as enhanced reflexes. However, not every version of the serum is as potent as the original. Here’s every major super soldier in the MCU, ranked by how strong they are.
7) Johann Schmidt

During World War II, Johann Schmidt discovers Erskine’s work and believes it will help him become a superior being. What Schmidt doesn’t understand, though, is that the serum isn’t ready when he takes it, leading to unintended side effects. Rather than gaining great strength, Schmidt’s face becomes disfigured, forcing him to adopt the Red Skull persona. The serum allows Red Skull to stay alive a few extra years and look after the Soul Stone, but it doesn’t give him the power he desires.
6) Alexei Shostakov

The Soviet Union can’t let the Americans have all the fun, so it begins working on its own version of the serum. The goal is to create its version of Captain America, and it arrives in the form of Alexei Shostakov, aka Red Guardian. Unfortunately, Red Guardian isn’t anywhere near as strong as Captain America. He even lets the Winter Soldier show him up when the two cross paths.
5) Bucky Barnes

HYDRA never gives up its pursuit of creating the perfect human, experimenting on American soldiers it captures. Bucky Barnes finds himself on the wrong end of a needle, and after being captured by Armin Zola, he becomes the dangerous assassin, the Winter Soldier. Bucky’s strength isn’t on the level of some of his colleagues’, but when he gets a full head of steam, he can do plenty of damage.
4) Isaiah Bradley

Losing Erskine’s formula is a major blow to the United States government, and the powers that be can’t leave well enough alone. Isaiah Bradley becomes one of the soldiers to get a new version of the serum, and while it works pretty well, letting a Black man be Captain America isn’t in the cards. Years later, after getting out of prison, Bradley gets to show up his former captors by letting loose in the White House after being mind-controlled by The Leader.











