"There are quite a number," she gold IGN. "I'm a Black Widow and there's Scarlett and Florence. There's quite a bit of other characters you'll also meet that are Black Widows."
Weisz said that her character Melina has been through the rigorous Black Widow program five times since childhood and is "a highly accomplished spy and assassin."
Fans are speculating that she could also be playing Iron Maiden or Taskmaster.
Weisz has previously said that Taskmaster has a significant role in the story, while declining to elaborate.
That's when Natasha went into exile after letting Captain America (Chris Evans) and the Winter Soldier (Sebastian Stan) escape during the big airport battle.
Once in Budapest, she reunites with Yelena (Pugh) who presumably underwent the same training as she did. We expect to see flashbacks to her training in the Red Room.
Production on the film is expected to last through September. "Black Widow' is slated for a release date of May 1, 2020.