but here's why she didn't return for Transformers 3. Ultimately, the complaints Yeager was the same as Sam Witwicky, but ...

there are some that seem highly unlikely. Chief among the latter camp is the reappearance of Sam Witwicky, portrayed by Shia LaBeouf in the first three "Transformers" movies from 2007 to 2011.

High-school student Sam Witwicky buys his first car, who is actually the Autobot Bumblebee. Bumblebee defends Sam and his girlfriend Mikaela Banes from the Decepticon Barricade, before the other ...