 Comics historian Matthew K. Manning wrote that "Crisis on Infinite Earths" paved way for all future crossovers of similar scale, and Andrew J. Friedenthal said ""Crisis" showed the two major superhero comic book publishers (DC Comics and Marvel Comics) how they could utilize the continuity established by decades' worth of stories to weave together a cohesive, metatextual tapestry that both appealed to long-time readers and brought in massive amounts of money".The series' success inspired DC to begin a tradition of "summer crossovers"; some of these include "Invasion!