I’ve taken some screenshots to illustrate the issue.
This is my collection in Ember Media Manager
This is how the movies are displayed individually, with the title displayed correctly, you can see at the bottom that it shows it as part of 'V Collection"
When viewed in the movie list you have multiple entries (There is also one under ‘S’ but I felt that another picture would be unnecessary)
When you view the indivual letter collections you see them as this





