Hydra's success Witch [HP x MCU]
"Me? As in the name, Kaisha Black?"What if Regulus has an older sister while Sirius has a little sister? Born at 1960. She attended Hogwarts at 1972, right behind her brother, Sirius. But at her third year, 1975, she disappear out of nowhere. Last seen at the hall to Slytherin common room in the middle of the night.Then, the next is, what if at 1994, where 13 years later after they won the war, the whole hogwarts is given a chance to watch a certain Black? And how will they react that the former witch is now in the future- certainly more than 20 years in the future?Bucky Barnes x OC BlackHydra's WitchCaptain America the Winter SoldierAvengers age of UltronCaptain America the Civil War-Avenger Infinity WarAvenger Endgame…