Marvel: Kamen Rider OOO Coin Final Chapter

Sima Yin accidentally traveled through time and landed in Tokyo, Japan. He encountered Anku with a severed hand and mistakenly thought he had entered the world of Kamen Rider OOO. He carried the initial three core coins (Eagle, Tiger, and Locust) and smuggled himself to the United States to avoid Anku and the Devouring Monster. He met Tony Stark, who had just been rescued from Afghanistan, and was confirmed to be in the Marvel universe, and his world view collapsed. (Some content does not match the original timeline. It is described from the author's personal point of view. The plot may be advanced or delayed. Please forgive me)