Cast

The Black family and the Wizarding World find out what happened to the first Black child, the heiress of the Black family, Acacia was born in 1980 3 years before Sirius Black and 5 years before Regulus.

Hawk Widow-Acacia Black x Clint Barton.

Timeline:
Avengers-2012
Captain America: The Winter Soldier-2014
Avengers: Age of Ultron-2015
Captain America: Civil War-2016
Black Widow-2016
Avengers: infinity war-2018
Avengers: Endgame-2023

Disclaimer: I don't own Harry Potter or Marvel.