https://www.gamespot.com/articles/movies-anywhere-puts-your-digital-film-library-in-/1100-6454023/

Disney has expanded the power of its Movies Anywhere digital locker service with the addition of several major Hollywood studios in an attempt to make their mark on the streaming world. Previously, the service allowed those who purchased Disney--or Marvel or Lucasfilm--movies on Amazon Video, iTunes, Google Play, or Vudu to house them all in a single app.