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
Bronze Age of Comic Books the stories, but also something that the books loudly proclaimed on their covers to promote sales. The Spider-Man drug issues were at the forefront of the trend of "social relevance" with comic books noticeably handling real-life issues. The above-mentioned "Green Lantern/Green Arrow" series dealt not only with drugs, but other topics like racism, income inequality, political corruption, and environmental degradation. The X-Men titles, which were partly based on the premise that mutants were a metaphor for real-world minorities, became wildly popular. Other well-known "relevant" comics include the "Demon in a Bottle", where Iron Man confronts his alcoholism, and the socially