While the "Milestone 13" leak provides a fascinating glimpse into a work-in-progress, most fans are choosing to wait for the official, polished release on to experience Logan's next journey as intended.
: M13 is a pre-alpha build, roughly halfway through the development cycle.
John Byrne, a giant in the comic industry and co-creator of Wolverine’s modern persona, returned to pencil this era. Issue #13 is often highlighted because it showcases a master at the peak of his craft. Byrne’s depiction of the jungle wasn't just green trees; it was a claustrophobic tangle of shadows and danger.
, which was leaked following a massive ransomware attack on the studio in December 2023 . The specific build, known as Milestone 13 (M13)
In one of the most memorable sequences of the issue, Wolverine faces off against local predators and, eventually, the hired guns of the story's villain. The "Milestone" quality comes from the visceral nature of the combat. Unlike the sanitized cartoons of the era, Goodwin and Byrne depicted Wolverine as a true predator. When his claws popped, the tension was palpable. The issue cemented the visual language of Wolverine’s fighting style—agile, brutal, and efficient.
In the leaked development schedule, Milestone 13 represented a "playable vertical slice" used for internal testing.
