The Last Unicorn (DVD)

*This is not a comic! But it's an animated film that etched itself into Young Matt's heart!

By Arthur Rankin Jr. & Jules Bass. Produced by Rankin/Bass. 

Region 2 DVD, 95min, 1982. 

An animated adventure, in which a unicorn sets out in search of other examples of its species. She finds them all trapped in limbo and it is up to her to set them free.