Thanks to this website, we now have summaries for each of the different sections of Movie War Full Throttle! These summaries contain major spoilers about the enemies and plot so I’ve put them underneath a jump. Enjoy!!

Zoruku Tojo (Lupin)/Kamen Rider Lupin

After obtaining the body of the enhanced Roidmude, CyberRoid ZZZ, he is able to manipulate Slowdown! Zoruku Tojo/Lupin transforms into Kamen Rider Lupin! How he was able to transform is unknown. Equivalent in power, Lupin challenges Drive to a duel in order to steal the title of ‘Kamen Rider’.

Kamen Rider Gaim Section

Having saved humanity from annihilation, Kouta tried to create a new world with Mai. However, an abnormal change occured within the stars. Megahex, a mechnical lifeform, mysteriously appeared and began to fuse with the stars. With Megahex’s next target being Earth, Kouta chased after it but was defeated by its overwhelming strength. Now Mitsuzane is the only one left with a Sengoku Driver. Will the two brothers, Mitsuzane and Takatora, be able to save humanity? And, at this time Kouta is…!?

Kamen Rider Drive Section

The legendary phantom thief Lupin has appeared! Having obtained the body of CyberRoid ZZZ, Lupin can now freely manipulate Slowdown. His objective: steal the heroic title of “Kamen Rider”! While chasing after Lupin, Shinnosuke arrives at an old castle. The castle holds a secret about “Kamen Rider” that no one knows about! What is this secret? And now, Lupin has surprisingly gained the ability to transform…!

Movie War Full Throttle Section

By fusing together with the body of CyberRoid ZZZ, Megahex has become the ultimate mechanical lifeform: ZZZ Megahex! During the Earth’s greatest crisis, Drive, Gaim, and other Kamen Riders have gathered. However, ZZZ Megahex appears before them. At last, the battle for humanity heads towards the final stage: the universe! Their combined forces will bring about a miracle, which will birth a new legend in the history of Kamen Riders!!