When I was in college my friend Stephen Johnson grabbed a few of us students and introduced us to the TSR Marvel Superheroes role playing game. Similar to Dungeons and Dragons but BETTER because hell it had Marvel Superheroes!
Clayton, myself, Stephen, and Chris loved playing it. Stephen was dungeon master or Marvel master whatever and he didn't beat us up too badly. He did however introduce a new villain which I always loved. He called them Hunter/Killers. I know he was ripping off the Terminator flying robot vehicles but I didn't care. He also ripped off Robocop's Ed-209.
He called them Hunter Killers! Robots that looked exactly like ED-209's but could fly AND project a ray that eliminated mutant powers! Sentinels were pansy asses compared to these things. How do you fight them when you have no powers and they have those powerful guns like in Robocop? You don't. You die.