A seven-mile-wide space rock is hurtling toward Earth, threatening to obliterate the planet. Now, it's up to the president of the United States to save the world. He appoints a tough-as-nails veteran astronaut to lead a joint American-Russian crew into space to destroy the comet before impact....
When Mr. Freeze kidnaps Barbara Gordon, as an involuntary organ donor to save his dying wife, Batman and Robin must find her before the operation can begin.
