We explain why Scarlett Johansson's Natasha Romanoff aka Black Widow was the most valuable Avenger on the team.

Scarlett Johansson is trying to make it clear as a bell that she won't be reprising the Black Widow role in the next two "Avengers" films.

Though many Marvel fans hope for a resurrection of Black Widow, Scarlett Johansson wants them to know that 'Natasha is dead.' ...