Saber + Zenkaiger: Super Hero Senki

Saber+Zenkaiger Super Hero Chronicles (セイバー+ゼンカイジャースーパーヒーロー戦記)

Was released in Theaters July 22, 2021 (2021-07-22) and was released on Blu-ray and DVD in December 2021. To celebrate Kamen Rider's 50th anniversary and Sentai's 45th, Super Hero Senki was released as a joint project between Rider and Sentai, like the Super Hero Taisen movies were in the past.