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 popular titles in comics. Marvel decided to build on this success by creating a number of spin-off titles, sometimes collectively referred to as "X-Books". These early X-Books included "New Mutants" (which would later become "X-Force"), "X-Factor", "Excalibur", and a "Wolverine" solo series. There were many new popular additions to the X-Men in the 1990s, including Cable and Bishop. By the early 1990s, X-Men had become the biggest franchise in comics, and by the middle of the decade over a dozen X-Men-related comic books, both continuing and limited series, were published each month. On an almost annual basis from 1986 until