Idris Elba is set to star in a romantic spy thriller that Simon Kinberg will produce for Apple, Collider has confirmed. The Daily Show writer Travon Free penned the script, and though details are being kept under wraps, the story is set in Africa and described as being similar in vein to Kinberg's own breakout script Mr. & Mrs. Smith. That film was a huge hit thanks to the chemistry between its two stars, Brad Pitt and Angelina Jolie, so it'll be interesting to see who is cast as Elba's love interest. I'm sure there will …