Jack Russell (Earth-616), Marvel Database

Jacob Russoff was the elder of two children sired by Gregor Russoff, a Transylvanian baron and scholar. Russoff's ancestor Grigory first brought lycanthropy (turning into a werewolf) upon the family when in 1795 he tried to avenge his wife, Louisa, by staking the vampire-king Vlad Dracula - he was bitten by a female werewolf in Dracula's service. Because his children were born before that event, Grigori's descendants did not immediately become werewolves themselves; however, the curse on the Rus

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Official poster for 'Werewolf by Night' : r/marvelstudios

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