The day after Star Trek Into Darkness failed to fulfill predictions of most analysts -- and the studio itself -- that it would earn $100 million over a four-day weekend, analysts were Monday-morning-quarterbacking the actual results: $70.6 million for the three-day frame; 84.1 million for the four-. By comparison, the previous Star Trek installment, which opened in 2009 without the benefit of 3D and IMAX surcharges, grossed $75.2 million for the weekend and $86.7 million for the four-days (without taking into consideration ticket-price inflation). Some analysts attributed the disappointing results to a confusing plot and an ill-defined villain. Others blamed the strong competition (principally Iron Man 3 and The Great Gatsby). But all those factors also applied overseas, and there, the film performed like gangbusters, nearly doubling its 2009 opening receipts. It all seemed to point to the hit-and-miss nature of box-office predicting. Speaking of the overseas box office, it seemed particularly hot this weekend, despite miserable weather throughout most of Europe. In its first weekend abroad, The Great Gatsby earned $42.1 million, putting it in first place. Iron Man 3 followed with $40.2 million, slightly ahead of Star Trek Into Darkness with $40 million. Meanwhile, Universal's Fast and Furious 6 debuted in the U.K. and Ireland with $13.8 million, setting a record for a Universal debut.