Using a large bowl, stir the boiling water into jello. Add the ice and stir until jello starts to thicken, if it's started to thicken and there's still ice in the bowl remove it.
Add the thawed cool whip,stir with a whisk until well incorporated. Refrigerate the mixture about 20 minutes or until slightly thicken. Stir in the cherry pie filling, spoon into serving bowls. Refrigerate 4 hours or until firm.