又名：Superhero Wars GP Kamen Rider 3
20世纪70年代，假面骑士1号和2号联手打败了邪恶组织修卡，但是神秘而邪恶的假面骑士3号突然出现，以压倒性的实力击败了1号、2号，世界的历史就此发生改变。21世纪，原本生活在和平自由年代下的民众，突然委身于修卡团伙的统治之下。曾经正义一方的泊进之介（竹内凉真 饰）则沦为修卡特状课的走狗。修卡丧尽天良，从小污染少年儿童纯洁的心灵。假面骑士BLACK南光太郎（倉田てつを 饰）决不允许如此恶行发生，他孤
Title：Super Hero Taisen GP: Kamen Rider 3 Year：2015 Genre：Action Language：Japanese Country：Japan Director：Takayuki Shibasaki Writer：Shotaro Ishinomori / Shôji Yonemura Actors：Ryoma Takeuchi / Rio Uchida / Yû Inaba Plot：Rain falls on February 10th, 1973, the date that the defeat of ShockerIcon-crosswiki by the hands of Kamen Riders 1Icon-crosswiki and 2Icon-crosswiki was aired on television, as depicted by a television in a junkyard, which is struck by green lightning. Riders 1 and 2 ride off with their painful struggle seemingly at an end, but they are attacked by a car mounted with machine guns and adorned with the Tachibana Racing ClubIcon-crosswiki logo. It turns out that the vehicle is manned by another Kamen Rider who identifies himself as Kamen Rider 3Icon-crosswiki who was designed to destroy Riders 1 and 2. They do battle, but Rider 3 is able to take on both of them easily by himself. Riders 1 and 2 use their Rider Double Kick, but Rider 3's own Rider KickIcon-crosswiki destroys Riders 1 and 2, and a green shockwave covers the land.
