“Who would have thought that all three Pax brothers would be fighting side...” he joined Optimus and Ultra Magnus and pointed his fusion cannon down the hall, the same direction as Optimus’ firearm, “...by side?”

Yep, Optimus has a retractable face-plate, like most versions of him.

Not one of my best. Megatron's eyebrow's all wrong, I didn't think about how Ultra Magnus' vehicle mode looked or how he transforms, perspective's all over the place, it's clear I need practice. Any robot-drawing tutorials, anyone?