As the world anticipates the return of Oz’s most famous witches, who soar back onto cinema screens tomorrow, early reviews for Wicked: For Good suggest audiences are in for a treat. However, some critics say the prequel falls short of expectations. Last year’s Wicked became a global cultural phenomenon, earning 10 Oscar nominations and more than $750 million worldwide. Now, director Jon M. Chu returns to complete the saga in the epic final chapter, Wicked: For Good . The sequel picks up with