Thread:Gokyr586/@comment-5555139-20170908101850

Ghost is confirmed in Kamen Rider Heisei Generations: FINAL, as shown in this BTS picture.

[Source: http://ukiyaseed.weebly.com/ukiyaseeds-other-blog/kamen-rider-heisei-generations-final-behind-the-scenes-kamen-rider-ghost-returns] 