Two years ago the company declined to participate in a digital movie storage and management system called UltraViolet, even though every other major film studio signed on. The arrival of Disney Movies Anywhere has been long delayed. Users on Tuesday were immediately able to link their Apple iTunes accounts with the Disney Movies Anywhere website and app. Once fully deployed, the free service, called Disney Movies Anywhere, will allow consumers to buy a Disney, Marvel or Pixar movie once and watch it on any web-ready TV, mobile device or computer. LOS ANGELES - As consumers display increased interest in owning movies digitally, a habit considered crucial to Hollywood’s future, Walt Disney Studios unveiled a service on Tuesday that aimed to make collecting its films easier.