Alien-apartheid flick District 9 abducted $37 million at the box office this weekend for a first-place landing, Bloomberg reports. “This really was an under-the-radar film” before the Comic-Con convention last month, one analyst says. “Sony did a masterful job of marketing.” GI Joe: Rise of the Cobra ($22.5 million), The Time Traveler’s Wife ($19.2 million), Julie & Julia ($12.4 million), and G-Force ($6.9 million) rounded out the top five. (More entertainment stories.)