Dirk Garthwaite was a manual laborer employed by a demolitions company who was fired for his anti-social behavior and fits of violence. Deciding to turn his talent for mayhem and destruction to criminal activity, Garthwaite fashioned himself a simple costume to conceal his identity. He then committed a series of crimes under the name of the Wrecker, his trademark being the crowbar with which he devastated the scene of the crime. The Wrecker became more daring with each theft, and continually evaded the attempts of the police to capture him, that is, until Daredevil caught up with him and defeated him in combat after a difficult struggle. Upon being sent to the Vault for his actions, Garthwaite was immediately set loose on bail by Arnold Brown using former agent Werner Von Strucker's expensive funding and set to work as a HYDRA-employed brute soldier.
Meanwhile, Loki, the usurper god ruling over Asgard, was looking for more methods to keep Thor occupied on Earth while he set about his goals to collect the Infinity Stones for Thanos, and he noticed that Arnold's HYDRA faction born from the ashes of the three executed leaders' factions was more than enough to fit the bill on his ideal "distraction". So, he manipulated events to have the completed Berserker Staff recovered from underneath the wreckage of HYDRA's barbershop headquarters, and sent it to Arnold's HQ to have it examined for experimentation. Not only that, but Loki also used his magic to duplicate the amount of Centipede serum that could be used for Super-Soldier serum and delivered it in massive gallons to Arnold in disguise. Eventually, Loki's manipulations would break off to a point where Arnold would commission to have Garthwaite experimented on with one of the few intact Centipede Devices, giving him massive superhuman strength and durability, while his Crowbar somehow merged with minor pieces of the Berserker Staff to gain its properties. Garthwaite was thus sent out to cause further chaos and cacophany as the newly-inducted leader of the Wrecking Crew.