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Given the following post, respond as if you're commenting on Reddit:
human
[Marvel] Can the Winter Soldier feel pain on his prosthetic arm?
gpt
Spoilers for Civil War:

When on the run from the German Special Forces, Bucky jumps from a ledge and uses his metal arm to grab a railing to stop himself. It appears to hurt, as he does cry out, but it might just be from the connection point of arm to chest being stretched.