Arc 20The Eighth City and Darkhold
Du Mu took control of the Eighth City, defeated Apocalypse, and traveled to a zombie-ravaged parallel world in search of the Darkhold. After escaping Latveria with Wong and Dracula, he found the next fragment in S.H.I.E.L.D.'s Playground base, where he discovered that Mace and Coulson were bio-synthetic robots.
- Du Mu defeated Yaozu Quan, learned that destroying the Eighth City would close its monster passage, and took charge of the city after the Immortal Weapons sealed the gate.
- Du Mu made the Eighth City a trade hub, entered the Shadow Kingdom, and turned Corvus Glaive into a shadow soldier.
- Du Mu and the X-Men fought Apocalypse in Cairo, and Du Mu killed him, rescued Charles, and recruited the Four Horsemen into the Hellfire Club.
- Du Mu summoned Dracula, followed him to a zombie-ravaged parallel world, and joined Wong in searching for the Darkhold in Latveria.
- Du Mu and Doctor Doom defended Latveria from super zombies, and Du Mu killed Zombie Captain Marvel, Juggernaut, and Hulk before escaping the dancing Zombie Sentinel.
- Doctor Doom evacuated Latveria and destroyed the Trans-Dimensional Device while Du Mu, Wong, and Dracula fled with the coordinates of another Darkhold fragment.
- Du Mu located the fragment at S.H.I.E.L.D.'s Playground base and bypassed its security with Ultron.
- Du Mu discovered that Mace and Coulson were bio-synthetic robots after they announced that Daisy Johnson and Jemma Simmons had been kidnapped and replaced.