For example, the flashbacks in the film that show Alita’s past life when she was a Berserker in the war zone on Mars don’t show up in the anime, but they are an important piece of canon, vital to the discovery of Alita’s identity and destiny.
The Alita – Battle Angel movie focuses on Alita (Rose Salazar) background in a way that the anime never does. In fact, the anime does not even touch the background of the character at all. The film includes several plot elements from later in the manga — details about Alita’s backstory that are weaved throughout the film to build a more complete character. For example, the flashbacks in the film that show Alita’s past life in which she was a Berserker fought in the warzone on Mars don’t appear in the anime, but they are an important piece of canon, vital to the discovery of Alita’s identity and destiny.
The lost martial art of panzerkunst that Alita uses to kick every robotic, but from here to — Uh – robot Timbuktu, was taken from the manga, not from the anime. This fictional martial art was used to set up the entire lost identity storyline after Dr. Ido (Christopher Waltz) sees her lay the sledge hammer on a handful of villains.