อภิมหาศึก มาสค์ไรเดอร์
The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…
- ประเภท: บู๊, ผจญ, นิยายวิทยาศาสตร์
- สตูดิโอ: Ishimori Productions, Toei Company
- คำสำคัญ: superhero, super power, superhero team, superhero teamup, super sentai, crossover, super hero wars, tokusatsu, kamen rider
- นักแสดง: Gaku Sano, Hiroshi Fujioka, 板尾創路, Masahiro Inoue, Kento Handa, Renn Kiriyama
