The series reached issue #400 in October 1984. That issue featured work by several popular comics artists including the only major DC work by Jim Steranko as well as an introduction by noted science-fiction author Ray Bradbury. "Superman" ran uninterrupted until the mid-1980s, when DC Comics instituted a line-wide relaunch with the 1985 event maxi-series "Crisis on Infinite Earths". Folding their vast multiverse into a single shared universe, Superman and his supporting cast would receive a massive overhaul at the hands of writer/artist John Byrne. One last story, which also marked the end of Schwartz's tenure as editor of the series, was published to give a send-off to the former status quo: Alan Moore's "" The story's first part saw publication in "Superman" #423, which would be the last issue before the title was relaunched with its legacy numbering as "The Adventures of Superman". "Superman" was relaunched with a new #1 issue in a second volume in 1986, and was published concurrently with "The Adventures of Superman".