PUDDING: In a large bowl beat the pudding mix and milk together for 2 minutes. Set aside.
WHIPPED CREAM: In a large bowl or stand mixer beat the heavy whipping cream and powdered sugar until stiff peaks form. Fold 2 1/2 cups into the chocolate pudding along with 1/2 cup crushed oreos. Add the mint extract and green food coloring to the remaining whipped cream.
ASSEMBLY: Spoon some chocolate pudding into the bottom of each cup. Top with mint whipped cream then top each with the remaining chocolate pudding. Top with crushed oreos and gummy worms. Refrigerate until ready to serve.