Action Comics comics historian Les Daniels, artist Curt Swan became the definitive artist of Superman in the early 1960s with a "new look" to the character that replaced Wayne Boring's version. Bizarro World first appeared in the story "The World of Bizarros!" in issue #262 (April 1960). Writer Jim Shooter created the villain the Parasite in "Action Comics" #340 (Aug. 1966). Mort Weisinger retired from DC in 1970 and his final issue of "Action Comics" was issue #392 (September 1970). Murray Boltinoff became the title's editor until issue #418. Metamorpho was the backup feature in issues #413–418 after which the character had
Action Comics on the title with issue #19, where unlike the previous issues, the setting for the "Action Comics" series would now take place in the present. Diggle announced his resignation as the writer of the series shortly before his first issue went on sale. Diggle left the title with only one issue completed (he would be co-writer for #20 and co-plot issue #21), with Daniel taking on full scripting and art duties for the two following issues completing the three part story arc "Hybrid". Scott Lobdell wrote the series after Diggle and Daniel's departure. Writer Greg Pak and artist Aaron Kuder