Originally posted by Prep-Man
It still didn't top Superman Returns domestically, even if you count inflation. Domestic is a little more important. I doubt X-Men First Class will beat Thor, though.
It's beaten SR in overall worldwide gross, though, and it's still going. Also factor in it cost much less to make than Superman Returns (which bloated it's budget over a tortured development period), and it's got the kind of positive buzz that SR lacked (where questions arose right away about rebooting this.)
What's important about performing domestically is that you don't embarrass yourself; that's why The Golden Compass franchise stopped after just one film.
If domestic was all important, then the latest Pirates Of
The Caribbean would be a flop, but it's being saved by a monster performance overseas.