Mercy76

Mercy76 is the het ship between Mercy and Soldier: 76 from the Overwatch fandom.

Fanon
Many consider the two the "Mom and Dad" of the Overwatch team. Fan art will depict the two surrounded by baby versions of the other Overwatch heroes.

On AO3 it is the second most written ship for Soldier: 76, and the fourth most written for Mercy.

Fandom
AO3