Sugar and Spike and Spike" series...is the most charming thing I've ever seen in comics." DC attempted to license "Sugar and Spike" as a syndicated newspaper strip but was unsuccessful. Sales on the "Sugar and Spike" issues of "The Best of DC" were strong enough that DC announced plans for a new ongoing series featuring the characters. The project was never launched for unknown reasons. Mayer had an agreement with DC that no one else could write Sugar and Spike. However, they have occasionally made cameo appearances in modern comic books. They are rescued by the underwater heroine Dolphin in "Showcase" #100. They
Modern Age of Comic Books parent series, while others were simply additional monthly series featuring a popular character. In another similarity to the X-Books, these franchises regularly featured crossovers, in which one storyline overlapped into every title in the “family” for a few months. With regards to storylines overlapping, the Superman stories from 1991–2000 were written on a weekly basis. One needed to buy "Superman", "Adventures of Superman", "Action Comics", and "" (and eventually, "") to keep up with any existing storylines. If a collector only bought "Action Comics", they would only get twenty-five percent of the story. A triangle was featured on the cover