Mystery Trail Ashcan NN (DC, Feb-Mar 1950) Mystery Trail was planned as a companion title to Danger Trail and Romance Trail, but never published. Interestingly, the title was actually listed as a regular DC title in the Adventures of Alan Ladd #9. There is only one known copy. The cover image is from Danger Trail #3 and the interior is from Star Spangled Comics #109. This copy is hand stapled and hand trimmed.