Spoilers ahead for Alita: Battle Angel If you've already had a chance to check out an early screening of 20th Century Fox's visually stunning and action-packed anime/manga adaptation Alita: Battle Angel, you might be wondering just how they managed to pull of the title character's transformation. (If you are interested but haven't seen the film yet, I'd skip the following featurette since it has some mighty story spoilers.) Luckily, a newly released behind-the-scenes video shows how Weta's technology and filmmaking know-how complemented Rosa Salazar's stunning performance in order …