Ivan Romanoff

"Welcome, Natasha Romanoff, daughter of Ivan."

- Red Skull to Black Widow

Ivan Romanoff was the father of Natasha Romanoff, the Soviet agent best known as Black Widow.

Biography
Ivan Romanoff fathered a daughter, Natasha Romanoff, who was recruited by the KGB at a young age. Years later, during the Avengers' search of the Infinity Stones to reverse the effects of the Decimation, Red Skull greeted Natasha as "Natasha Romanoff, Daughter of Ivan" when she and Hawkeye appeared on Vormir to take the Soul Stone, to which Natasha sadly expressed surprise of finally learning her father's name before killing herself so they could obtain the Soul Stone.

Family

 * Natasha Romanoff/Black Widow † - Daughter

Trivia

 * In the comics, Natasha Romanoff's foster father was Ivan Petrovich Bezukhov.