American comic book Kane and Bill Finger created Batman, who debuted in "Detective Comics" #27 (1939). The period from the late 1930s through roughly the end of the 1940s is referred to by comic book experts as the Golden Age of comic books. It featured extremely large print-runs, with "Action Comics" and "Captain Marvel" selling over half a million copies a month each; comics provided very popular cheap entertainment during World War II especially among soldiers, but with erratic quality in stories, art, and printing. In the early 1940s over 90 percent of girls and boys from seven to seventeen read comic books.
Excalibur (comic book) Excalibur (comic book) Excalibur is the name of several comic book titles featuring the team Excalibur and published by Marvel Comics, beginning with the original "Excalibur" comic book series which debuted in 1988. "Excalibur"<nowiki>'</nowiki>s original creative team, writer Chris Claremont and artist/co-writer Alan Davis, incorporated elements of two Marvel properties: the X-Men and Captain Britain. The resulting superhero team Excalibur first gathered together in "Excalibur Special Edition" #1 (1988) and were soon featured in a monthly series. Davis left with "Excalibur" #24 (1990) and Claremont with "Excalibur" #34 (1991), leaving a number of various plot points unresolved before his departure.