This carbon "engine" eats away the inside of the flesh and replaces the "soul". Something fancy like that. That's what I heard.
The idea was "carbon" tech that were created by imagination from the super soldier characters.
Minions like "Johnny" from MGS, but with interchangeable costumes to keep them different. I like the medical gloves idea. Very distincitive color, at least to me. "Metal gear" that guy, and take some meds to heal.