Following Gruenwald's departure from the series, Mark Waid took over and resurrected Sharon Carter as Cap's love interest. The title was then relaunched under Rob Liefeld as Cap became part of the Heroes Reborn universe for 13 issues before another relaunch restored Waid to the title in an arc that saw Cap lose his shield for a time using an energy based shield as a temporary replacement. Following Waid's run, Dan Jurgens took over and introduced new foe Protocide, a failed recipient of the Super Soldier Serum prior to the experiment that successfully created Rogers. Some time after this, Rogers' original shield was retrieved, but subtle damage sustained during the battle with the Beyonder resulted in it being shattered and a 'vibranium cancer' being triggered that would destroy all vibranium in the world, with Rogers nearly being forced to destroy the shield before a confrontation with the villain Klaw saw Klaw's attacks unwittingly repair the shield's fractured molecular bonds and negate cancer.