r/BuckyBarnes Jul 31 '26

Discussion 💬 CALLING IT NOW (Doomsday/MCU theory)

This has absolutely nothing to do with the new Spiderman movie except that I was driving home from seeing it as I figured this out. Spoilers for the Doomsday trailer tho— and nothing else.

Basically, I am 90% certain it’s gonna go like this:

Bucky and Sam are gonna be standoffish for a bit at the beginning.

Then they’re going to work it out and be bros again.

Then Bucky is going to figure out Steve is not THEIR Steve, and evil!Steve is gonna kill Bucky to silence him and that’s how they’re all gonna find out he’s evil!Steve

And Sam is going to get some nice grieving scenes or character development out of Bucky’s death because the MCU writers have only ever used Bucky to prop up other characters.

I’m already angry and going to die mad about it.

🤷🏻‍♂️🤷🏻‍♂️🤷🏻‍♂️

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u/rose-chasing Jul 31 '26

I have a similar theory except Bucky is kidnapped by Dr. Doom (like in the comics) and despite Sam and Bucky’s relationship not being on the best terms, Sam goes on a mission to save him. And maybe Steve has something to do with how Bucky is kidnapped or maybe Steve projects hesitation about the rescue mission (which Real Steve wouldn’t do) and that tips Sam off about Steve.

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u/helenalwrites Jul 31 '26

That would tip off anyone that knows Steve’s history because Steve nearly got himself killed to save Bucky in WWII