Quote1 I love my country. I love Russia. I defend it with honor. Quote2
-- Ursa Major src

Mikhail Uriokovitch was on the run from the state security apparatus when he crossed paths with Carter's operations team.[2] He acted as the team's guide in russia as the team sought out a hydra base.[3] In the bases destruction he was able to reunite with his mother.[4] He was imprisoned for his own safety but when Russian forces invaded the hydra base they abducted him and indoctrinated him.[1]

Russian mutants were deemed as a threat and were to be killed as soon as their mutation was discovered. However, Professor Pieter Phobos was able to convince the Soviet government to allow him to train them as potential agents loyal to the government. His real motive, however, was to use them to gain power for himself. Ursa Major was one of the first trainees along with Darkstar and Vanguard. As part of the Soviet Super Soldiers, they investigated a radioactive area along with the Hulk. They discovered Phobos was attempting to irradiate the USSR to provide more mutants for him to feed off of. Phobos was defeated, and the three mutants vowed they would not serve the government without question.

Mikhail was part of the Soviet Super-Soldiers, along with Darkstar, Vanguard and Gremlin for several years. While hunting for Magneto they faced both the Avengers and X-Men in southeast Asia.[5]

After discovering Crimson Dynamo was spying on them, the three left the Soviet Super-Soldiers. They joined Siberforce, a group of exiled mutants.

Ursus and Vanguard were later tricked by General Tsakarov into attacking American businesses while searching for the missing Darkstar.[6] Black Widow and Daredevil exposed Tsakarov's plan, revealing that he had kidnapped Darkstar to manipulate the two.[7]

Mikhail is one of the mutants who retained his powers after M-Day. He later returned to Russia, joining the new Winter Guard, investing the death of Abomination[8], repulsing the efforts of the Lady Liberators when they attempted to interfere in international business[9], joining with War Machine to repel the Skrull Invasion in Russia[10], and then facing the Remont 6 and mentoring new Darkstar, Sasha Roerich.[11]

He was imprisoned in a gulag on trumped up charges manufactured by Colonel Rostov,[12] there he was pitted against several opponents usually ripping through his competition in two minutes. He eventually fought a incarcerated Winter Soldier who bested him.[13]

When Ursa Major and the Winter Guard tried to capture the Intelligencia, the group used the Zero Cannon on them, sending the team to space,[14] but they still survived.[15]

Following the reinstatement of the Red Room, Ursa Major was recommissioned to its new base of operations in America, though he considered himself to have become a prisoner instead of the soldier he used to be. Following the Black Widow's death at the hands of Captain America, the Red Room created a clone of her with the intention to bring her back to their fold, making her retain only the original's memories pertaining to her service at the Red Room. Unwilling to let the Red Room erase all of Black Widow's memories as a hero, Ursa Major bribed the psychic operative responsible for granting any clones the memories he had previously obtained from the originals. As a result, Natasha's clone possessed all the memories of the original, though Ursa Major told her to keep it a secret. When Black Widow found out about the Red Room cloning program on her own, as well as the fact that she was a clone herself, Ursa Major urged Natasha to destroy the Red Room and put an end to its operations.[16] He was able to escape the compound and was last seen running into the wilderness.[17]

Mikhail was imprisoned in a Gulag in Siberia, where he developed alcoholism, a problem that caused him to become increasingly aggressive and unpredictable. When the Russian government decided to revamp the Winter Guard in light of an increase of global tensions, namely the formation of the Defenders of the Deep by Namor to drive off human presence in the oceans, a mission that included the attack of Russian submarines in the Black Sea, the President and the Minister of Justice themselves signed a letter of pardon for Ursa Major to convince him to get back into action. The Winter Guard intercepted Namor and his Defenders when they were carrying out an attack in Hydropolis. The Avengers were already on the scene, and briefly joined forces with the Russian team until in-fighting between Winter Guard members Perun and Chernobog resulted in She-Hulk attacking them, breking out a fight. The battle came to a standstill after the Defenders escaped, and the Red Widow forced Crimson Dynamo to have his team retreat.[18]

When Black Panther held an international super-summit between representatives of the superhuman community all over the world to discuss the scaling tensions, Ursa Major was sent to represent the Winter Guard. Ursa Major disregarded T'Challa's attempts at diplomacy and tried to goad him before attacking him. Before Ursa Major could land the hit, Black Panther had him teleported to Siberia.[19]


Transformation: Ursa Major is capable of transforming into a humanoid brown bear at will within ten seconds. This process grants him an additional 14 inches in height and 700 lbs to his frame. While in his bear form, he retains his full level of intelligence, personality, and ability to speak.[20]

Superhuman Strength: While transformed, Ursa Major possesses superhuman strength much greater than an actual brown bear of similar size and humans as well. At his peak, his strength is sufficient to lift about 15 tons.[20]

Peak Human Speed: Like an actual brown bear, Ursa Major is capable of running at speeds of up to 35 miles per hour.

Superhuman Stamina: Ursa Major's musculature produces much less fatigue toxins during physical activity than the musculature of an ordinary human. He can exert himself at peak capacity for several hours before fatigue begins to impair him.[20]

Peak Human Agility: Despite his great size and bulk in his transformed state, Ursa Major's agility and bodily coordination are greater than that of an Olympic level athlete.

Peak Human Reflexes: Despite his size, Ursa Major's natural reaction time is much like a real brown bear's, and is greater than that of an Olympic level athlete.[20]

Superhuman Durability: The tissues of Ursa Major's body are harder and more resistant to certain injuries than those of a normal human. Ursa Major is particularly resistant to great impacts and blunt trauma force. While not invulnerable, he can withstand impacts, such as falling from several stories or being repeatedly struck with superhuman force, that would severely injure or kill a normal human with little to no injury.[20]

Superhumanly Acute Sense Of Smell: Like a real brown bear, Ursa Major possesses a highly developed sense of smell. He is capable of tracking a target by scent with an impressive degree of success, even if the scent has been eroded over time by natural factors such as weather conditions.


Ursa Major is a formidable hand to hand combatant, both in his human and bear forms.

Strength level

Superhuman Strength: As a mutant, he granted superhuman strength and able to press/lift 15 tons.[20]


Alcoholism: Ursa Major has recently developed a problem with alcohol, which makes him more aggressive and have a tendency to get into fights.[21]


Advanced Russian vehicles.

Mikhail's origin is another example of marvels sliding timescale

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