Disney Plus in the United States has a limited selection of X Men films: X Men, X2, X Men: Apocalypse, X Men: Days of Future Past, and The Wolverine.
Also, X Men, X2: X Men United, X Men: The Last Stand, X Men Origins: Wolverine, X Men: Dark Phoenix, X Men: Days of Future Past, and The Wolverine are available in the United Kingdom. It has been confirmed that First Class and Logan will join it within the next year.