At the end of last year, Bumblebee emerged as one of the big surprise blockbusters of the year. While Transformers movies of the past didn’t fare all that well when it came to approval from critics, the Travis Knight film upended that trend, and seduced both writers and audiences with an effortless charm, wonderful heart, and excellent characters. It could wind up influencing the entire future of the franchise, and it all started with screenwriter Christina Hodson’s involvement with the establishment of a specialized writers’ room about four years ago.