Currently, Marvel ... Red Skull has a long, long history of sacrificing his humanity for power, from his extreme reaction to the Super Soldier serum in the MCU to becoming the monstrous Onslaught ...

Thunderbolts teammates Bucky Barnes and John Walker have sided with Captain America villain Red Skull in the Ultimate Universe.

Red Skull even used a variation of Onslaught's power during the AXIS Marvel Comics event, and Brainiac would similarly love ...