User blog comment:LoveWaffle/We Didn't See It Coming - Iron Man 3 and the Future of the MCU/@comment-5977347-20130513205536/@comment-1895174-20130514021822

We're never getting any further information on that because we got it five years ago in Iron Man. Obadiah Stane hired the terrorist organization the Ten Rings to capture and kill Tony Stark so he could get control of Stark Industries.