Natasha Romanoff went to the city of São Paulo during a mission, getting involved in an event that tormented her for the years to come.
Loki tried to taunt Romanoff mentioned some of these events during his time as a prisoner inside S.H.I.E.L.D. Helicarrier. Loki implied that Romanoff caused a bloodshed there while she was trying to interrogate him.
- São Paulo translates into "Saint Paul" in Portuguese.