Titans #139 was published by Editions Lug on August 1, 1990, as part of a series that began in 1976. Chris Claremont and John Byrne write, and art comes from Al Williamson, Bob Sharen and Bret Blevins. It features Iron Man, Nightcrawler, Kitty Pryde, Namor and Scarlet Witch, among 48 characters cataloged on VerseDB.