[talmand]

Because they'll get sued, the government will force them to retire in hiding, they'll get jobs they hate, get bored, take risks in maintaining their secrecy in an attempt to relive the glory days, join up with a mysterious organization without thinking it through, destroy half the city to save it, get popular again, and repeat.

[Vaskivo]

And then Captain America is arrested and then shot![1] But don't worry, he comes back.

https://en.wikipedia.org/wiki/Civil_War_%28comics%29

[Tyrannosaurs]

That would make an Incredible movie.