The packaging was a large part of what killed them. They basically used two styrofoam boxes to keep the hot side hoe and the cold side cold. the cost was a problem and so were the objections of environmentalists etc.
Putting all that in two paper wrappers and asking you to make your own sandwich just would not fly.the Big N tasty is sort of its culinary successor.
I have tons of this stuff in my archives. Trouble is youtube is so picky about removing them. Copyrights etc. I had one pulled by George Lucas . It was R2 D2 and C3PO doing a commercial for Kleenex.