Crossbones (Marvel Cinematic Universe)

"It ain't about any of that for me anymore. I just want them to feel the pain, the loss, of everything they took from me. And make them pay for it. In blood."

- Crossbones vows revenge against Captain America

Brock Rumlow, better known as the super-villain Crossbones, is a recurring antagonist of the Marvel Cinematic Universe. He first appeared as a supporting antagonist in Captain America: The Winter Soldier as later as a minor antagonist in Captain America: Civil War.

He is portrayed by actor Frank Grillo.

Agent of S.H.I.E.L.D.
Brock first appears as an agent of S.H.I.E.L.D. who was tasked as the leader of STRIKE and would often work alongside Captain America and Black Widow along with his subordinates. During his career, however, he became a HYDRA agent and sought to create a fascist new world order under HYDRA's rule.

Zodiac
During one of his missions, Brock and his STRIKE team had to deal with a known terrorist leader by the name of Baker who had stolen a weapon called Zodiac. Brock and his team dealt with Baker's men while Rogers and Romanoff went to deal with Baker himself. At the end of the operation, the zodiac was recovered and Baker got away after his men took the fall.

Retaking the Lemurian Star
One night, a mobile S.H.I.E.L.D. launch platform known as the Lemurian Star was hijacked and taken over by a terrorist named Georges Batroc and a group of 25 other mercenaries backing him up. Brock and his team were quickly deployed to deal with the situation and retake the ship. After a mission debrief, the team parachutes onto the ship and slowly retakes the facility room by room until the entire place is under S.H.I.E.L.D. control once more.

Death of Nick Fury
Brock had accompanied his team to the hospital after Director Nick Fury was shot and apparently killed by an unknown assassin. He appeared to apologize to Steve Rogers for the loss of his known commander, but then leaves after he is called back to the Triskelion for a debrief with Alexander Pierce. Rumlow was delayed by Rogers and Natasha but said it was urgent and left in a hurry with his team.

Chasing Captain America
When being called back, Pierce had declared Captain America an enemy of SHIELD as he had key information about Fury that could jeopardize HYDRA's secrets and had to be dealt with immediately. Inside an elevator, Brock and his team entered into the same elevator with Rogers and attempted to capture him to maintain HYDRA and their plans. At first, the conversation between everyone was calm but it quickly spiraled into a fight and Brock was soon the only one left standing against Captain America who threw him against the elevator wall and fled.

Afterwards, Brock gathered his STRIKE team members and they all organized a manhunt for Captain America and Black Widow in an attempt to prevent Project Insight from being compromised. They were able to track the two of them into a mall in Washington D.C. but they couldn't find them after a long search.

Calling the Winter Soldier
Later on, Steve Rogers and Natasha Romanoff were discovered at Camp Lehigh where Arnim Zola was there on his computerized brain distracting the two, Alexander Pierce ordered a missile strike and had the camp destroyed. Soon afterwards, Brock and his STRIKE team were deployed to confirm if the two of them were killed at the ruins of the camp. He eventually discovered their footprints and confirmed that they were alive and so he had to call in the Winter Soldier, the most elite assassin and agent of HYDRA. Brock would remain inactive until the end of a battle between the Winter Soldier with his HYDRA team and Captain America with Black Widow and Falcon.

After the battle, Brock ran into the event with his STRIKE team and successfully captured all three of them. After the three of them had surrendered, he had noticed his subordinate, Jack Rollins, attempting to execute Captain America, but called it off to prevent media attention and told him to wait until they were cleared of media interference. Eventually, when the coast was clear, he ordered three graves dug, but the three of them had escaped and he eventually went back to a secret HYDRA base where the Winter Soldier was seen being managed. He then watched as Bucky mentioned that he knew Rogers and Pierce ordered his memories wiped so he could defeat Captain America.

Battle at the Triskelion
Meanwhile back at the Triskelion, Rumlow appeared and held Cameron Klein at gunpoint which caused agent Sharon Carter to do the same to Brock. He supposedly surrendered but really pulled out a knife and stabbed her hand and soon a gunfight between S.H.I.E.L.D. and HYDRA agents broke out while Rumlow accessed the computers to launch Project Insight Helicarriers. He succeeded and soon the Helicarriers were bought into the air and he escaped while HYDRA sleeper agents launch an attack on S.H.I.E.L.D. and brought down the agency. On his way through the Triskelion, Rumlow ran into several S.H.I.E.L.D. agents and killed them by both stabbing and gunning them down with their weapons when he got a call.

He received a call where he was informed that Alexander Pierce was captured by Captain America, Black Widow, and Falcon and that he had to rescue him to prevent HYDRA's plans from being compromised. As he went to save Pierce, he was attacked by Falcon and engaged in a fight with him. Rumlow was superior to Falcon and bragged about how he's gonna hurt as HYDRA doesn't take prisoners and they continued fighting until a crashing Helicarrier came through the building and rubble and debris fell on Rumlow crushing him. He survived, but had received heavy amounts of scars and his whole body was burnt and was eventually carried away to another facility.

Deserting HYDRA
Months later, he had watched the news and saw the news reports of S.H.I.E.L.D.'s downfall and was furious of seeing HYDRA's defeat as they had all the resources needed to win. In an attempt to get HYDRA's attention, he assaulted the nurses and hospital staff and eventually a team of HYDRA agents stormed in. Before their commander finished his sentence and the Hail HYDRA motto, Rumlow shot him and killed everyone in the room sending a message to HYDRA that he no longer works for them and defected afterwards. He then sought to get revenge against all those who scarred him and wanted to make them suffer the same pain he did and became a mercenary under the name of Crossbones.

Lagos Catastrophe
Wanting to lure out Captain America and the Avengers, Crossbones had organized a team of mercenaries and they all planned to attack the Institute for Infectious Diseases laboratory in Lagos, Nigeria and acquire a biological weapon. Crossbones and his men broke through the facility in trucks and stormed out and into the facility. Poisonous gas was then released into the facility but Captain America and the Avengers soon arrived to deal with Crossbones and his men quickly after the attack began.

Crossbones eventually ran into Black Widow once more and attacked her out of revenge. She attempted to stun him, but he stated that he didn't feel pain anymore and punched her and threw her into an armored truck with two other mercenaries and throwing in a grenade before closing the truck's top. Natasha barely escaped the truck while using one of the mercenaries as a human shield and Crossbones got the weapon he needed and then escaped with the remaining members of his mercenary team. They eventually ran into a local market where his men split up to keep the weapon and Crossbones fought Captain America in order to get revenge for brutally scarring him from back during the HYDRA Uprising. The two of them fought but Steve Rogers had won in the end and cornered Rumlow.

Death and Legacy
After their fight, Captain America demanded Crossbones reveal who he was working for. He claimed that the Winter Soldier was pulling all of the strings before detonating his bomb vest in a last-ditch attempt to kill Captain America, but Scarlet Witch contained the blast and threw him up into the air where he blew up in front of a building, causing the deaths of 26 aid workers from Wakanda. In the aftermath of the attack, the United Nations gathered and formed the Sokovia Accords to regulate the Avengers and other superheros in hopes of preventing another Lagos-like attack. The accords would go on to tear the Avengers apart and leave them disbanded with Captain America now a criminal.

Allies

 * HYDRA - Former Allies turned enemies
 * Alexander Pierce † - Leader
 * Jasper Sitwell † - Former Ally
 * STRIKE
 * Jack Rollins - Subordinate

Enemies

 * S.H.I.E.L.D. (First Incarnation)
 * Nick Fury - Former Director
 * Maria Hill - Former Deputy Director
 * Sharon Carter - Former Colleague
 * Steve Rogers/Captain America - Former Colleague turned Enemy
 * Natasha Romanoff/Black Widow - Former Colleague turned Enemy
 * Cameron Klein - Former Colleague turned Hostage
 * Baker
 * Georges Batroc
 * Bucky Barnes/Winter Soldier - Former Ally turned Enemy
 * Avengers
 * Steve Rogers/Captain America - Former Colleague turned Enemy
 * Natasha Romanoff/Black Widow - Former Colleague turned Enemy
 * Sam Wilson/Falcon
 * Wanda Maximoff/Scarlet Witch

Quotes

 * "Pack it up."
 * "He's here."
 * "That don't work like that no more!"
 * "Fire in the hole."
 * "Bring this to the airstrip."
 * "We're not gonna outrun 'em. Lose the truck."
 * "I'm not."
 * "There you are you son of a bitch!"
 * "I've been waiting for this!"
 * "Come on!"
 * "This is for dropping a building on my face!"
 * "I think I look pretty good, all things considered."
 * "You know, he knew you. Your pal, your buddy, your Bucky."
 * "He remembered you. I was there."
 * "He got all weepy about it. Until they put his brain back in a blender."
 * "He wanted you to know something."
 * "He said to me, 'please tell Rogers, when you gotta go, you gotta go.'"
 * "And you're coming with me."

Trivia

 * Frank Grillo, who portrays Crossbones, hints that his character will somehow return in the future, despite his apparent death in the latest film.
 * His notable famous alias "Crossbones" was never mentioned in the film.

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Crossbones (Marvel Cinematic Universe) Brock Rumlow