Zabo was working as the bodyguard of Malcolm Donalbain who was providing financial support to Dr. Joanne Tumolo to help in building her machine that provides the greatest potential of women; the machine would make the women who used it both stronger and smarter. Unbeknownst to Dr. Tumolo, Malcolm had been recreating said machine with his goal to use the machine along with the Will Nullifier to create perfect amazonian women that worked for him. Greer Grant under the guise of the Cat decided to foil Malcolm's plans after he had his men kill Dr. Tumolo, during the confrontation Greer threw Zabo across a room filled with the recreated machine of Dr. Tumolo where Zabo landed on part of the equipment causing it to explode where he was assumed to have died.