1) Fictional mass murderer 2) Marvel Comic title
Found on
https://www.crosswordclues.com/clue/foolkiller
The Foolkiller is a fictional character appearing in the Marvel Comics universe. He was created by writer Steve Gerber and first appeared in the pages of 1974`s Man-Thing. He also had a ten-issue limited series that ran from 1990 to 1991, followed by another in 2007. There have been four different individuals to adopt the mantle of the Foolkiller....
Found on
http://en.wikipedia.org/wiki/Foolkiller
No exact match found.
