Kamen Rider 555: Paradise Lost (2003)

Both are alternative endings for their respective Kamen Rider shows featuring the darker tone of the early Heisei series.

Both Paradise Lost and Missing Ace are movies that serves as an alternative ending for their respective shows. They are also written by Toshiki Inoue.

Paradise Lost and God Speed Love are movies that serves as an alternative ending/timeline for their respective series and are both written by Toshiki Inoue. They also feature a dystopian/post-apocalyptic world.

Kamen Rider movies that take place in the near future where enemies have taken over the Earth and the main characters are part of a resistance group that faces them. The protagonists were thought to be dead, but suddenly return after a long time.