It's not even a Joker movie.
It takes elements from comic book characters, but it doesn't follow the comic books at all. Not to mention, the writers and directors even said it.
So while it will probably get critical acclaim, simple minded people with try to lump it in with Shazaam, Spiderman, Deadpool or Avengers
The genre is so strong that they will make normal movies and shows, but throw in comicbook elements to sell tickets.
It takes elements from comic book characters, but it doesn't follow the comic books at all. Not to mention, the writers and directors even said it.
So while it will probably get critical acclaim, simple minded people with try to lump it in with Shazaam, Spiderman, Deadpool or Avengers

The genre is so strong that they will make normal movies and shows, but throw in comicbook elements to sell tickets.