Leonard Norman Wein (/wiːn/; June 12, 1948 – September 10, 2017) was an American comic book writer and editor best known for co-creating DC Comics' Swamp Thing and Marvel Comics' Wolverine, and for helping revive the Marvel superhero team the X-Men (including the co-creation of Nightcrawler, Storm, and Colossus). Additionally, he was the editor of Alan Moore and Dave Gibbons' influential DC miniseries Watchmen. Wein was inducted into the Will Eisner Comic Book Hall of Fame in 2008. Description above from the Wikipedia article Len Wein, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Len Wein has 52 screen credits in a career dating back to 1982. Their work spans 9 cinematic universes — most prominently X-MEN with 4 titles. Signature works include Deadpool & Wolverine, Justice League: Warworld, Justice League Dark: Apokolips War. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 9 universes