Talk:Mortal Kombat 3 (Arcade)
Mortal Kombat 3 Source Code
The Mortal Kombat 3 Source Code was uploaded online (I don't believe I can link it.) The arcade source code is found in MK3REV21.zip (Password: rosie) This might be useful for further research.
Mortal Kombat 3 Pre-release Video
Looks like someone uploaded a Making Of video about Mortal Kombat 3 that has some interesting live shots of a very very very early alpha of MK3 at 3m 52s in: https://youtu.be/E7f2ppsZMTI?t=3m52s