I don't want to spoil it but there's a good chase scene b/w Bumblebee and Barricade. A couple of fights b/w Megatron and Optimus Prime.

Autobots: Ratchet, Bumblebee, Jazz, Optimus, Ironhide
Decipticreeps: Megatron, Starscream, Barricade, Brawl/Devastator, Bonecrusher, Frenzy, Scorponok