"What's going on? I am not entirely sure. Many of us were brought here by some unseen force and we have not been allowed to leave. On this Cybertron you'll find many Autobots, a few Decepticons, and a scattering of organics. From what I have seen, in any case. None of us belong here."

It would seem that Megatron was in a very giving mood. Starscream should consider himself lucky.

"I believe that some Decepticons have holed themselves up somewhere. I would suggest seeking them out if you don't mind that some of them might kill you on sight."