Brilliant cryogenics expert Dr. Victor Fries is transformed into Mr. Freeze, a vengeful creature who can only survive in subzero temperatures.

The Joker becomes enraged when the Gotham copyright office rejects his demand for a copyright for his grinning Joker fish.

Sidney Debris, a small-time mobster, earns the hatred of all of Batman's enemies when he claims to have accidentally killed Batman during a brawl.

Bruce Wayne and Alfred travel to Japan to help Bruce's old martial arts teacher, Sensei Yoru.