Kingpin writer Matthew Rosenberg has tweeted that the series will end with #5, on shelves this Wednesday, June 14.
KINGPIN #5 is out this week. It's our final issue. Thanks to everyone who picked up the book. I care about you all deeply. pic.twitter.com/J6UcTAadco— Matthew Rosenberg (@AshcanPress) June 11, 2017
No reason for the cancellation was given.