One of the publicity still looked like this: picture a pizza made of metal, with all the slices pulled away from the center, and a guy’s head in the middle.
Sometime from the mid ‘80s to mid ‘90s, I would think.
Found it:
Demon Seed
Renders my participation moot. Much like Real Life.
I knew the picture and the movie just from the OP’s description. 
I loved that movie when I was a kid.
Umm…
Was that the one where the hyperintelligent computer kidnaps and artificially impregnates the CIO’s wife with a modified zygote so it can experience life?
I think I saw that on TV when I was in sixth grade or so. Artificial insemination was still in the (failing) experimental stage at the time, and this was a ridiculous sci fi stretch even back then. Even at that age I was wondering if it was made by religious zealots trying to warn the world against scientists treading on God’s domain.
–G… 