"That script continues to be written. It's looking good. It took a decade to figure out, to come up with a reason why to make that film as opposed to just make a sequel. There was a topic in American history that the second I realized that that fit into the world of District 9, it felt like an awesome way to do a sequel. So yeah, it continues to be developed and it's getting a lot closer."
While Blomkamp does not go into detail as to exactly what this topic is,