Legion of Super-Heroes (1984-) #37

Beginning the 4-part epic Superboy crossover that answers the paradoxes created by events of the Crisis on Infinite Earths! The Legionnaires journey ahead through the time stream to battle the Time Trapper at the end of time...but wind up as guests of Superboy in Smallville, U.S.A. instead! Continued in Superman #8 (1987 2nd Series).