A new production, 'Wicked: For Good', is upcoming, prompting outlets to provide background information and recaps for potential viewers. Some outlets are suggesting that viewers review key scenes from 'The Wizard of Oz' before seeing 'Wicked: For Good', while others are offering general summaries and lists of things to know. The exact nature and content of 'Wicked: For Good' is not specified, but it appears to be related to the existing 'Wicked' story.