Inputting "The End" scene / XXX studio production scene

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Hi, i made an animation and the only thing left is the “XXX studio production” scene and “the end” scene. You know what i mean? Like before any animation starts, you have like “disney studios production presents…”. I want to make these scenes into individual files that i can use it in multiple and totally different animations, so that i don’t have to REMAKE the “studio” scene each time i make a new animaiton. But, i don’t know how to join this “studio” scene with the animation to make it to a complete movie (with “studio” + “animation/movie” + “the end”). Any suggestions and guides? Please state if you don’t understand.