[1] Jackhammer later left HYDRA and gained superhuman strength from a treatment at Power Broker, Inc. and started a relationship with female wrestler Poundcakes whose rebuff threatened the first date of Captain America and Diamondback.

[3] Jackhammer left Power Tools once when there was an occasion that Doctor Octopus recruited him to join his incarnation of the Masters of Evil during the Infinity War.

[5] Originally, Jackhammer is an accomplished engineer and inventor, who wears devices similar to the Shocker's vibro-shock gauntlets.

They increase the concussive force of his blows by generating pulsed vibrations on contact.

[6] Now, he received immense physical attributes due to the Power Broker treatment, but it somewhat diminished his mind.