I liked Magneto's quotes from X-men vs. SF:
"Now you are where you belong, at my feet!"
"There was no need to fight, now look at you."
"Nothing shall stop me from my dreams."
"You had no chance against the master!"
Bison had some good ones in that game too, with my personal favorite:
"Leave my sight, I hate looking at trash."
And last but not least, Dr Doom's quotes from MSH:
"Polish my boots, so long as you are groveling on the floor."
"Just like there can be only one Caesar or Napoleon, there can only be one Doom!"