Natalia Alianovna Romanova, 1 (Russian: Наталья Альяновна "Наташа" Романова, aka: Natasha Romanoff; Russian: Наташа Романофф), colloquial: Black Widow (in English: Black Widow), was born in Stalingrad (now Volgograd), Russia. The first and best known Black Widow, is a Russian agent trained as a spy, martial artist and sniper, and equipped with an arsenal of high-tech weapons, which includes a pair of energetic weapons mounted on the wrist and nicknamed "Piquete de la Viuda" " He does not wear clothing during his first appearances, but simply night clothes and a veil. Romanova eventually transforms into an American for reasons that include her love for the archer turned superhero, Hawkeye.

The first signs of Natasha Romanova's childhood come from Ivan Petrovich, who introduces himself as his middle-aged driver and confidant in the Amazing Adventures of Black Widow of the seventies. The man tells Matt Murdock how a woman had granted him custody of little Natasha just before his death during the Battle of Stalingrad in the autumn of 1942. As a result, he had felt committed to raising the orphan as a surrogate father and finally she had trained as a Soviet spy, eager to help her country.2 In another flashback, set in the fictional island of Madripoor in 1941, Petrovich helps Captain America and the mutant, Logan, who later became the superstar. Canadian agent and hero disguised as Wolverine, to rescue Natasha from the Nazis.3

A revised reconnaissance of her origin, she establishes how to be raised from early childhood by the program "Black Widow Operations" of the USSR, instead of only by Ivan Petrovich.4 Petrovitch had taken her to Department X, along with other orphans Young, where she had been brainwashed and trained in combat and espionage in the covert installation of the "Red Room". There, she is biotechnologically and psychotechnologically enhanced, an accounting that provides a rational basis for her unusually long and youthful lifespan. During that time she had some low training with the Winter Soldier, and the couple even had a brief romance.5 Each Black Widow unfolds with false memories to help ensure their loyalty. Romanova eventually discovers this, including the fact that never, as she had believed, had she been a dancer. Also, discover that the Red Room is still active as "2R".

Natasha was organized by the KGB to marry the famous Soviet test pilot Alexei Shostakov. However, when the Soviet government decided to make Alexei his new operative, the Red Guardian, he is told he can not have more contact with his wife. They tell Natasha that he died and that he is trained as a secret agent separately.