Ryan Gosling returns to the big screen for the first time in years in The Gray Man, reportedly the most expensive movie Netflix has ever made. Based on the first in a series of books by Mark Greaney, it follows an off-the-books CIA assassin gone rogue. So did the reported $200 million investment—including salaries for actors Gosling, Chris Evans, Ana de Armas, and directors Joe and Anthony Russo of various Marvel movies—pay off? Not according to critics, who give the film a 51% rating on Rotten Tomatoes. Here's what they're saying: