>>88582725We should really make a pasta for this
She's in no way directly related to Gwen Stacy or Deadpool (plot-wise)
She's a girl from "our" world called Gwen Poole, great fan of comics, that after Secret Wars III found herself in the marvel universe, still powerless.
Knowing the classic comic tropes, she chose to become a superhero because in the marvel comics if you aren't a superhero you are just the next person that is going to die during the next event
The woman that made her costume read her name wrongly, thought she was related to Deadpool so she made her that costume