"What Goes Around...Comes Around!" By Kevin Eastman and Peter Laird. Against a backdrop of Christmas, a routine training session turns into a deadly fight for survival when Leonardo is suddenly attacked by the Foot Clan. But nothing could have prepared the Turtles for the shock ending as they face the startling return of their greatest enemy!
First Printing: Dec 1986
Writers: Kevin Eastman and Peter Laird
Art: Kevin Eastman and Peter Laird