Mainly these come from GamePro and EGM magazines, you'll find game ads, video game hardware that made MK better (control pads, interactual, activator, x-band, etc) that happened in the 90s, therefore predating all this "new" technology we have today -

MK3-UMK3-MKT: (good for referring to the kombat kodes)

http://www.mediafire.com/?194yl9o4bwbzsat

MK2: http://www.mediafire.com/?jjtqyjqyvdka57l

MK1: http://www.mediafire.com/?e4v4v3no25xdxhv

Mortal Media: The first movie, live tour, cards, comics, album:
http://www.mediafire.com/?xhx9ggvhe25sra5

One ad did come from DoggyStyle and you'll notice that by his signature in the middle of it - I could not find a replacement that was unmodified.