Writing on his official website, Shoot for the Edit, Bay wrote the following; “Sorry everyone, everything you are reading (other than we are shooting in Philly) is false. We are going to give so much disinformation on this film to confuse everyone –“
So it looks like things are right on track, and the general rule of thumb is once again held to be true; take every rumor you hear with a grain of salt, less if it has to do with Transformers 2.