personally, I think they should've killed off BB.
It would've added so much more emotion to the rest of the movie, and (IMO) given more credibility for OP to go apesh!t on everyone.
if it were to happen, i imagine it like this:
same thing happens up until Soundwave charges up his cannon.
it continues to start to glow, and then the camera cuts to Sam jumping (like he was surprised)
you then see BB from the torso down fall to his needs and then to the ground.
Sam cries out and runs toward Soundwave, super f*ckin' pissed.
The Wreckers (after helping Prime) come in and help Ratchet and Dino tear apart Soundwave and all of the other 'Cons.
The movie then proceeds as the original.
I would've been much more happy with this.
That would've been the most talked about scene in the movie for sure, since BB is a fan fav.
what do you think?