Reese Witherspoon is attached to yet another exciting movie. This time, she's reportedly teaming with Dark Phoenix director Simon Kinberg on an in-development sci-fi film that is currently sparking a bidding war among studios. According to Deadline, Witherspoon and Kinberg have joined forces on an adaptation of Thomas Pierce's short story "Tardy Man," which originally appeared in The New Yorker in 2018. The working title for the film right now is Pyros. The project marks a rare trip into the sci-fi/fantasy genre for Witherspoon, whose last movie of this ilk was the Ava DuVernay-…