The Invisible Woman (Susan "Sue" Storm-Richards), previously known as the Invisible Girl, is a fictional superheroine appearing in American comic books published by Marvel Comics. The character is a founding member of the Fantastic Four and was the first female superhero created by Marvel during the Silver Age of Comics.
Can we infer the following?
The Invisible Woman is the only female in the 

 -- Yes. -- It's impossible to say. -- No.
The answer is:
It's impossible to say