I would say that Creed, regardless, is going to be too similar. Just the nature of who he is.
I have a couple of different character ideas regarding both submissions. Plus another I want to run by you but it's late here.
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Do you consider Pete one of these archetypes?
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Wellll ain't that unfortunate. In this timeline Steve Rogers is much more of a brawler than in the comics. All he's got to work with is his military training, which was much more focused on tactics and weaponry usage than strict hand to hand. Augmented speed and strength, combined with the shield, make him very dangerous to normal humans. Things get trickier against more skilled or stronger opponents who can cancel his strengths, forcing him to be a bit more clever in his approach. Steve takes advantage of his shield's strange properties and his environment as much as possible, and he's not above pulling a gun when things get messy enough.
This Rogers is not a superhero, he's a soldier. Its a philosophy that'll inevitably lead to him bumping heads with his teammates whenever he starts barking orders or asks people to make uncomfortable decisions. He's' not one to sacrifice his principles- ever- but there's a naivety to the cape-and-tights types that gets on his nerves. Plus, to be honest? All this shit that's going on is totally overwhelming. The man comes from a universe where he's the weirdest thing walking around. And now he's fighting aliens and jumping through dimensions. He's as out of place alongside these super types as mainstream Rogers is in modern times.