Re: What villains are left for a 4th film?
I'm not that familiar with the Transformers universe but I really hope Megatron is not coming back anymore.
X-MEN RI5E' MUTANT OF THE MONTH | PROFESSOR X | PORTRAYED BY PATRICK STEWART
"Every few hundred millenia evolution leaps forward." - X1
"Sharing the world has never been humanity's defining attribute." - X2
"Will you control that power or let it control you?" - X3
"Is the future truly set?" - X4