Uncanny X-Men – Volume 01 Issue 40 Posted by By Danny Korves April 10, 2023Posted in1968, Action & Adventure, Horror, Marvel Comics, Minor Key Issue, Silver Age (1956–1970), Three Star Reviews, Uncanny X-MenNo Comments My Rating ★★★ "The Mark Of The Monster!" In celebration of defeating the Factor Three, the Uncanny X-Men decide to spend their next free day training in the infamous Danger…