You’ll control Optimus Prime in Chapter 3 - Metroplex Heeds the Call. When the level begins you’ll be standing in the palm of Metroplex’s hand. You’ll be instructed to Lead Metroplex to the First Warp ...
When Chapter 11 - Starscream's Betrayal begins you’ll be controlling a random a Decepticon. After the opening cutscene follow your Decepticon ally. He’ll lead you to a control panel he’ll then access ...