Seriously. Do they walk into a bar and say: ohai, would u laik to work on mai secrut space station, stealth boat or hollowed out volcano? We pay u nais moneyz and healthcare.
Suicide hotline. Maybe they were promised 34...72 virgins upon death. http://www.youtube.com/watch?v=qEdsUeq6xoY that is wrong on many levels...
It's easy i've recruited a few to deal with good guys. Just goto: www.hiredgoonesnow.com or www.villiansforcheap.com/mercs
I suppose the same way drug lords get gunmen to do their dirty work, and the same way terrorist organizations convince their followers to commit mass suicide.
I think that the mortality rate is a bit to high. Especially since one person usually kills about half the private army.
Have you noticed the mercs have nearly the same faces in each episode ? The same mimicks too. And the same ammo. Do they come from the same school ?