The fact that this hasn't happened yet can only mean that Lucasfilm never saw the money in it. I find it unlikely that Disney will make the same error.
In the meantime, here you go - the terrible '80s Japanese interpretation that never was. Frankly, I'm amazed this parody did the "lightsaber arm" thing before official canon did...though I'm uncomfortable saying that, for fear somebody will bring up an obscure, terrible video game wherein it did happen.
Corporate lawyers: you are unwise to lower your deFENSES!