Countdown to Zero: Part 2 of 3: Under the Mask – Written by Frank Tieri. Art by Georges Jeanty, Don Hillsman, Karl Story and Dexter Vines. Cover by Georges Jeanty. Agent Zero makes his final stand against the former Weapon X agent known as Maverick. Plus: Chamber and Wolverine take one step closer to discovering the horrifying truth about Neverland! Characters in this issue: Weapon X [Chamber; Agent Zero]; Wolverine; Marrow; Maverick; Gene Nation; Black King [Sebastian Shaw] (cameo).