Many of us have read plenty Batman comics and watched Batman movies and TV shows and we know that Batman can only fly when using his Batplane or Bathelecopeter. Batman is a Superhero with no powers. read more
He didn't. It's a visual affectation designed for the movies. Sort of like when Chris Reeve flung his chest emblem at the bad guy to make him trip. You've got to be a lot more credible and internally consistent in comic book stories. read more