Grappling gun (Burtonverse), DC Movies Wiki

References to the films in the comics - Page 9

The Dark Knight Returns

Batman (Burtonverse), Facts of Everything Wiki

References to the films in the comics - Page 9

Movie Batman Respect Thread - Batman - Comic Vine

Bruce Wayne (DC Extended Universe), DC Movies Wiki

Batman (1989 film) - Wikipedia

Movie Batman Respect Thread - Batman - Comic Vine

Bruce Wayne (Burtonverse), DC Database

Did Batman's grappling gun predate the Tim Burton Batman film? - Quora

Rubie's DC Comics Batman v Superman: Dawn of Justice

Grappling gun (Burtonverse), DC Movies Wiki