Hunter-Killer is a comic book series from Top Cow Productions, Created by Mark Waid and Marc Silvestri.
Silvestri provided the art for the first story arc while Eric Basaldua and Kenneth Rocafort drew the remaining issues.
Other main characters are Wolf and Samantha Argent, some of the hunter-killers the title refers to.
Some went back to work for the government, tracking their rogue brethren and dealing with "situations" – they are the eponymous hunter-killers of the story.
A married couple in rural Montana might have some ideas, and their strangely gifted twenty-year-old son would be very surprised at the answer... As they soon find out, their son is the long lost object created by the project that could track the other Ultra Sapiens, purposely named the catalog...