X-Force: Phalanx Covenant

It's the incredible conclusion to Fabian Nicieza's definitive X-Force run! When the techno-organic Phalanx kidnap the X-Men and establish a foothold on Earth, X-Force must team with X-Factor and Excalibur to battle the aliens...but who or what is Douglock? And how will X-Force react to fighting alongside what appears to be their late friend Doug Ramsey? Then: Cable's sentient computer the Professor has been granted a physical body! So why is Cable getting sicker by the day?

COLLECTING: X-Factor (1986) 106, X-Force (1991) 38-43, Excalibur (1988) 82