Re: What villains are left for a 4th film?
Hmmm...I'm sure with all their tentaclely goodness the Quintessons would be a good villain if you pair them up with Unicron.
"A girl wants attention, a woman wants respect. A girl wants to be adored by many. A woman wants to be adored by one."
- I don't need the world because love, caring and protection is the world to me.
- The more things change the more they stay the same.
- What a horrible person I am because I don't think like the collective does.