 In July, Scott and Schwarzenegger finalized negotiations, with production slated to begin the coming September, using Houston as a stand-in for the film's setting of Los Angeles.Scott had Protosevich replaced by a screenwriter of his own choosing, John Logan, with whom he spent months of intensive work on a number of different drafts.The Scott/Logan version of "I Am Legend" was a mix of sci-fi and psychological thriller, without dialogue in the first hour and with a sombre ending.