In an alternate world Superman has not only mistakenly killed his wife Lois Lane and their unborn son, but destroyed Metropolis with a nuclear bomb. When it was discovered by Superman that Batman's enemy: The Joker was the mastermind behind Superman's mistake by drugging him. In retribution Superman kills The Joker. In the real world The Justice Leafgue fights the Injustice League in metropolis and the Justice League Watchtower. As The Joker and his girlfriend Harley Quinn set a nuclear bomb in Metropolis, most of the Justice League members and The Joker were teleported to the alternate world where Superman is the oppressive ruler of the Planet Earth and where that world's Batman is a rebel trying to topple the empire. The real world's Justice League must team up with the alternate world's Batman and end the alternate Superman's empire.
Iconoclastic, take-no-prisoners cop John McClane, finds himself for the first time on foreign soil after traveling to Moscow to help his wayward son Jack - unaware that Jack is really a highly-trained CIA operative out to stop a nuclear weapons heist.
Life for former United Nations investigator Gerry Lane and his family seems content. Suddenly, the world is plagued by a mysterious infection turning whole human populations into rampaging mindless zombies.
When the White House (Secret Service Code: "Olympus") is captured by a terrorist mastermind and the President is kidnapped, disgraced former Presidential guard Mike Banning finds himself trapped within the building.