So black widow was the only strong character joss whedon wrote until she ended up having a love interest?
I guess you’re going to ignore
-
Kaylee Frye
-
River Tam
-
Zoe Washburne
-
Buffy Summers
-
Willow Rosenberg
-
Cordelia Chase
-
Anya Jenkins
-
Adelle DeWitt
-
Wanda Maximoff
All of whom were just as stron and have varying relationships (like wanda caring for her brother or zoe with her husband)
If I forgot any, please feel free to add them