Crossbones appeared in 1989 Marvel Comics called Captain America.
Young Brock Rumlow led the Savage Crims gang on New York's lower east side. After he brutalized fifteen year old Rachel Leighton, two of her brothers assaulted Brock and he killed them. Rumlow fled, entering the Taskmaster's school for criminals, and within three years he became an instructor there under the name Bingo Brock.
As a mercenary, he enlisted with the communist Red Skull (Albert Malik) in Algeria, serving him as "Frag" until he was sent to invade Arnim Zola's Switzerland chateau. Ultimately the only team member to survive the assault, Rumlow met and impressed the Nazi Red Skull (Johann Schmidt), who accepted Brock’s services, codenaming him "Crossbones".
Powers and Abilities[]
- Enhanced Physical Conditioning: Crossbones was augmented by unknown enhancements. He possesses strength, durability, reflexes, and stamina superior to those of normal humans. The unknown enhancements have also augmented his body mass to a great extent. Daredevil has compared Crossbones' physical condition to Captain America's. Rumlow additionally possesses an enhanced metabolism.
- Peak Human Strength: Crossbones' physical strength is enhanced to the peak of human potential, enabling him to lift up to 800 lbs. He is strong enough to easily break a mutated Hazer Citizens' neck.
- Peak Human Durability: Crossbones can withstand to physical injury than normal humans. He withstand getting smash through a solid brick wall by Winter Soldier.
- Peak Human Speed: Crossbones is able to move at speeds faster than the Olympic-class runners, enabling him to run at speeds of 32-36 mph.
- Peak Human Stamina: Crossbones' musculature produced less fatigue toxins during his physical activity. He could exert himself at peak capacity for up to one hour before showing any signs of fatigue.
- Peak Human Reflexes: Despite of his bulk size, Crossbones' reaction speed is faster than the average person. He was able to dodge multiple gunshots from one of Kingpin's men at mid-range.
- Master Martial Artist: Crossbones is one of the world's best hand-to-hand combatants, with extensive training in street-fighting, military combat, and various forms of martial arts. He has trained extensively with the Taskmaster to the point where he was actually made an instructor at the Taskmaster's school for criminals.
- Expert Marksman: Crossbones is also a superior marksman with guns, crossbows, and throwing knives.
- Interrogation/Torture: He also has some experience with torture and brainwashing, having effectively "reprogrammed" Sin and nearly so with Diamondback.
- Expert Pilot: He is also an expert pilot.
Weakness[]
- Psychopath: Crossbones is often said to be a psychopath.