When the Sentry, possessing the power of a million stars, encounters the Earth's mightiest Silver Superman; when the Celestials, using the galaxy as their testing ground, encounter the mechanical Superman leading the Iron Legion; when the supreme Living Tribunal faces the quantum Superman who views dimensions as dust... This is the story of a cross-dimensional traveler who brings numerous Superman templates to the Marvel world. PS: Multiple female leads, not hero-oriented, please don't enter if you dislike this~ PS2: The timeline is determined by the author~