Formerly called 'The Apocalypse,' Seth Rogen and 'Superbad's Evan Goldberg are writing and directing a cataclysmic comedy now dubbed 'The End of the World.' The film is based on a short Rogen and Jay Baruchel made years ago called, not-so-enigmatically, 'Jay and Seth vs. the Apocalypse' in which the two play themselves in an apartment as the world ends outside. Already aboard their gargantuan cas…