The Batman finds himself dealing with a new breed of criminal when Joker takes over Arkham Asylum then plans to fly a hot air balloon filled with Joker Gas - a toxin that leaves its victims in a strange rictus state - and release its contents all over Gotham!

Ozzy" Cobblepot, aka Penguin, has delusions of rebuilding the lost Cobblepot fortune, via high-flying robberies employing various trained birds. Unaware of Cobblepot's criminal plans, Alfred goes to the dilapidated Cobblepot mansion where he is ensnared by Ozzy. Penguin will let his hungry birds feast upon Alfred, unless The Batman can rescue him in time.

The Batman battles the masked criminal Bane and once Bane activates his chemical-steroid-infusion Batman finds himself outmatched by brute strength.

After a news report erroneously links her with The Batman, Selina Kyle, the cat burglar known as Catwoman, decides she wants to meet her nighttime counterpart. After luring her prey, Catwoman steals Batman's utility belt!"

Dr. Langstrom a scientist in Wayne Industry's Genome Division has been experimenting with bats thus threatening to endanger Bruce's secret identity. But before Bruce can stop him Dr. Langstrom gives himself the experimental serum he's been concocting and transforms into the hideous Man-Bat before flying off to wreak havoc across Gotham!

The Batman is on the trail of Mr. Freeze, a villain who uses his ice technology as a means of stealing the objects of his passion: the rarest, most valuable diamonds.