Line 13x9-inch pan with Reynolds Wrap Aluminum Foil, with ends of foil extending over sides; spray with cooking spray.
Add hot water to 2 tsp. coffee granules in large bowl; stir until dissolved.
Add cake mix, dry pudding mix, eggs and oil; beat with mixer until blended.
Pour into prepared pan.
Bake 30 to 33 min. or until toothpick inserted in center comes out clean. Cool completely.
Melt 2 oz. chocolate as directed on package.
Add to cream cheese, marshmallow creme and remaining coffee granules in large bowl; beat with mixer until blended.
Use foil handles to lift cake from pan; cut crosswise in half. Stack cake layers on plate, spreading cream cheese mixture between layers. Spoon frosting into medium bowl.
Add COOL WHIP; whisk until blended.
Spread onto top and side of cake. Melt remaining chocolate; drizzle over cake.