The first box office figures have been revealed today. Predators opened in third place domestically taking $25.3M in 2669 theatres. It also made $18M abroad. By contrast, AvP Requiem made a little over $10M in its opening weekend domestically.
Update 19-Jul-10: As of today, the domestic total is just over $40M and the foreign total is $37.6M giving a worldwide total of $77,684,000.
Thanks to JordanLee for the news.