I’m trying to handle some of it, but I keep running into it sounding unnatural when I try to separate the different parts of Sir Ridley’s clip. Here’s one that incorporates the reverb and some additional fading/other items.
I’m not a big audio editor, so I suspect that it still sounds rough. It’s doable and a more talented editor can find better clips/equalization/reverb effects to make it work. I would suggest finding a clip where James Earl Jones says a drawn-out “mother” (probably from his Bible audiobook). One of the more audio-minded people here could really make this idea a reality for Adywan’s edit.
The flow of the sentence sounds about perfect now. His voice is a little gravely when he says “your Mother”. Great work!
I looked around a while back when I first suggested this. I watched Lion King & Coming to America just to see if I could find him saying “your mother”, but no luck. I do recall finding a clip of him saying “Mother F***er”, but I don’t recall now where that was.