We've been waiting way too long for the solo debut of Scarlet Johansson's and Marvel Studios Black Widow. Debuting in Iron Man 2, Natasha Romanoff served as a founding Avenger in the Marvel Cinematic Universe. Scarlet Johansson has appeared in 8 of the 23 movies that compromised the Infinity Saga and it wasn't until after her death in Avengers Endgame that she finally got her own solo film.
