Production is underway on Fast and Furious 9, and it looks like Dom Toretto’s sister Mia will be back along for the ride. Vin Diesel posted on his Instagram that Jordana Brewster was in the movie. Brewster played Mia in five of the past eight Fast and Furious movies, but the franchise never really knew what to do with her. She was the love interest for Paul Walker’s Brian. When Paul Walker died in 2013, Furious 7 was retooled to write Brian out of the series and when he went into the sunset, Mia and their child went …