Pret A Manger relaunched Club Pret, a subscription offering up to five barista drinks daily for $50 with unlimited customizations and a 20% menu discount. To celebrate, Pret will host a one-night pop-up at its Union Square shop on Oct. 23 from 6 to 9 p.m., featuring a DJ, espresso and matcha martinis, a Frank Ape mural and limited totes.