Arrange half of the cake cubes in an ungreased 13-in. x 9-in. dish; set aside. In a large saucepan, whisk milk and pudding mixes. Add candy bar. Cook and stir over medium heat until mixture comes to a boil. Cook and stir 1-2 minutes longer or until thickened.
Pour half of the pudding over cake cubes. Sprinkle with half of the almonds; cover and refrigerate. Transfer remaining pudding to a small bowl; cover and refrigerate until chilled.
Arrange remaining cake cubes over dessert. Whisk chilled pudding; fold in whipped cream. Spread over top and sprinkle with remaining almonds. Cover and refrigerate for at least 1 hour. Cut into squares.