Zeyphersan
Banned
I haven't read Civil War in a while, but I don't think that registering with the Government meant that super heroes had to be the Government's muscle, it just meant that they had to give up their secret identities to the Government so that if they DID do something out of line, they could be held accountable for it.
But they can't do that here, since none of the MCU heroes have secret identities. They're all public