ARRANGE 1 package of ladyfingers on bottom of 13x9-inch baking dish. Dissolve combined coffee granules and 1 Tbsp. sugar in boiling water; brush 1/2 cup onto ladyfingers in dish.
BEAT cream cheese in large bowl with mixer until creamy. Add 1/2 cup sugar; mix well. Whisk in COOL WHIP.
SPREAD half the cream cheese mixture over ladyfingers in dish; top with remaining ladyfingers. Brush with remaining coffee mixture; cover with remaining cream cheese mixture. Sprinkle with cocoa powder. Refrigerate 4 hours.