Re: Optimus Prime's characterization (Spoilers)
I havent seen the movie yet but I do have serious issue with people thinking Prime is too brutal in these movies, he gets pretty brutal at times in the comics as well you know? In some of the more recent comics, he killed Thunderwing and Glavatron (although he has since come back) and in All Hail Megatron, WOULD have killed Megatron if it was not for Starscreams intervention.
Also in another recent comic, when the Autobots were fighting Sixshot, he told them all to remove all safety protocols from their weapons to put him down. It has always been that when Prime needs too, he gets his hands dirty and puts people down who need to be.
2015 movie ratings out of 10:
1)Kingsman: The Secret Service-9(2)Ex Machina-8.5(3)Chappie-6