The Legion's last appearance in "Adventure Comics" was #380 (May 1969), and they were displaced by Supergirl in the next issue. The early 1970s saw the Legion relegated to the status of back-up feature. First, the team's stories were moved to "Action Comics" for issues #377–392 (June 1969 – September 1970). Following Mort Weisinger's retirement from DC, the Legion was passed to the oversight of editor Murray Boltinoff and began appearing occasionally as a backup in "Superboy", starting with #172 (March 1971), with writers E. Nelson Bridwell and Cary Bates and artist George Tuska. Dave Cockrum began drawing the series with "Superboy" #184 (April 1972), again increasing the team's popularity.