The trailer provides no context for what might be happening, but that hasn’t stopped multiple theories from cropping up online from dedicated Transformers fans.
Why are Optimus Prime and Bumblebee fighting?
But the property does have a fairly dense mythology, and fans continue to pore over trailers like the new one for Transformers: The Last Knight looking for clues as to what’s coming next.
One such theory, as advanced by Cosmic Book News, posits that the key to the scene are the shots of the seemingly “dead” Prime earlier in the trailer.