Deadpool The Circle Chase #4 1993

Deadpool: The Circle Chase #4, published by Marvel in 1993, concludes Deadpool's first solo miniseries. In this issue, Deadpool and Weasel confront Slayback, Kane, and a captive Vanessa (Copycat) at Tolliver's monastery. The ultimate weapon, an A.D.A.M. Unit (Zero), is activated, disintegrating Slayback. Vanessa is critically wounded, but Deadpool saves her by sharing his healing factor. This pivotal moment leads to Vanessa breaking up with Deadpool, prompting significant character development for the Merc with a Mouth. It is notable for Slayback's demise and the introduction of Zero.