In X-Men #25 (1993) Magneto stripped the adamantium that was fused to Logan's bones by the Weapon X Project, returning the mutant to his natural form
Six years later, in this anniversary issue celebrating 25 years of Wolverine, the adamantium is re-laced to his skeleton by Apocalypse, extracting it from Sabretooth and transferring it to Logan to serve as the Horseman of Death
