Warhammer 40,000: Mechanicus II is scheduled to launch on May 21, according to reporting from multiple outlets. The release date is being timed to coincide with Warhammer Skulls, an annual Warhammer event that typically includes announcements and additional reveals for related games and products. Both sources describe the launch as arriving alongside the Skulls showcase, which is expected to feature a range of updates and new information. The coverage frames the timing as a coordinated release window tied to the event rather than an independent date announced in isolation. While the articles focus primarily on the date and the connection to Warhammer Skulls, they also characterize the announcement context as part of a broader stream of Warhammer news expected during the event. Overall, the shared information centers on the May 21 launch date for Mechanicus II and the fact that it aligns with the Warhammer Skulls showcase, which is expected to include further reveals for the franchise.