Kamen Rider W Forever: A to Z/The Gaia Memories of Fate (仮面ライダーW(ダブル) FOREVER AtoZ/運命のガイアメモリ Kamen Raidā Daburu Fōebā: Ē tu Zetto/Unmei no Gaia Memori?) is the second film adaptation of the Kamen Rider W television series, released in Japanese theaters on August 7, 2010. It was filmed in 3-D, making it the first feature length 3-D film in the Kamen Rider Series. The film's main guest star is Mitsuru Matsuoka of the band SOPHIA as the film's antagonist Kamen Rider Eternal. Other guest stars include Genki Sudo and Aya Sugimoto. Kamen Rider W Forever was be released as a double feature with the Tensou Sentai Goseiger film Epic on the Movie. The protagonist of Kamen Rider OOO made his first appearance in the film. The catchphrase for the movie is "W Forever - Betting the survival of Futo, Fight!" (Wよ永遠に―風都の存亡を賭けて、戦え! Daburu yo eien ni - Fūto no sonbō o kakete, tatakae!?). At a press conference to promote the film, Matsuoka stated that he would like to have a spin-off television series or film focusing on the characters of NEVER some time after the next television series.
Story
Set between Kamen Rider W episodes 44 and 45, the film focuses on the invasion of Futo by the Special Mercenary Force "NEVER" (特殊傭兵部隊NEVER Tokushu Yōhei Butai Nebā?) led by a man named Katsumi Daido. NEVER has discovered the existence of Foundation X's T2 (Type 2) Gaia Memories (T2(タイプツー)ガイアメモリ Tī Tsū (Taipu Tsū) Gaia Memori?) — 26 next-generation Gaia Memories created by Foundation X based on the Gaia Memories used by the Kamen Riders. After he steals the Eternal Memory, Daido leads NEVER, his top six members using T2 Gaia Memories to assume Dopant forms, in an assault on the city to gather the T2 Gaia Memories scattered across the city. Assisted by Interpol investigator Maria S. Cranberry, Shotaro's investigation into NEVER leads to Philip being captured by the terrorist group in Futo's darkest moment as Futo's Kamen Riders prepare for a final battle.