Talk:The Joker vs Pennywise/Rap Meanings/@comment-35143091-20191121202022/@comment-5482968-20191123195316

You're mostly correct, but The Joker's first and second appearance were both in Batman #1, which housed several stories, including "The Joker" and "The Joker Returns," which is where his not-death happens. He never appeared in Detective Comics #27.