At first I was a little meh on that OS opening, but if you just include the totals for the markets it opened in this wknd (plus no Russia), Part 2 did about 45% of Part 1's total run OS ($220m or so).
Seems solid enough. $340M from these markets, plus China (I'm going $60M+, presales still moving quite nice), Japan ($10-12M) and Middle East markets yet to open b/c of Ramadan, then $400M+ OS seems certain.