Better yet is the ancillary story where Wolverine follows some hunches about how the civil war started and found that Tony Stark profited via shell corporations from the building of the prison and all sorts of other stuff.

In the ancillary comics, it was revealed Tony Stark was to profit from the creation of the superhero prison (but that plot line was quietly swept under the rug when the Iron Man movie came to be so popular). That was one of the reasons he was so gung-ho for the superhero registration act, a la war profiteering. Wonder…