Arrange 24 wafers, flat-sides down, on bottom of parchment-lined 9-inch springform pan.
Reserve 1/2 oz. chocolate. Microwave remaining chocolate, 1 cup marshmallows and 1/2 cup milk in microwaveable bowl on HIGH 2 min.; stir until smooth.
Pour over wafers in pan.
Stand remaining wafers, rounded-sides out, around edge of pan, pressing slightly into chocolate to secure; top with bananas.
Beat pudding mix and remaining milk in medium bowl with whisk 2 min. Stir in 1 cup whipped topping and remaining marshmallows; spread over bananas. Refrigerate several hours or until chilled.
Run knife under warm running water; use to loosen dessert from rim of pan.
Remove rim.
Cut reserved chocolate piece into shavings. Top torte with remaining whipped topping, chocolate shavings and strawberry.