MIX baking crumbs and butter in 9-inch pie plate until well blended; press firmly onto bottom and up side of pie plate.
POUR milk into large bowl. Add dry pudding mix; beat with wire whisk 2 min. or until well blended. Let stand 3 to 5 min. or until slightly thickened. Gently stir in whipped topping, chocolate chips, marshmallows and nuts. Spoon into crust.
FREEZE pie 6 hours or overnight until firm. Remove from freezer; let stand at room temperature about 10 min. to soften before serving. Store leftover pie in freezer.