Soundwave is Megatron's most loyal servant. He leads the new reinforcements to Earth. He might have went with Long Haul, Mixmaster, and Rampage to revive Megatron. His pet is Ravage! He is also seen grabbing the screen like in the pic.
This Sooundwave can change into his satellite.
SoundwaveThis Soundwave can change into a satellite and a ship and has a Ravage missle!