Spoon ¼ cup mulling spice on to a small plate. Rub lemon wedge around edge of 4 martini glasses. Dip rims in mulling spice, shaking off any excess. Set aside.
Combine pomegranate juice, 2 tablespoons mulling spice, lemon juice and peel in a 2 cup glass measuring cup.
Microwave on HIGH for 1 ½ to 2 minutes or until hot. Discard lemon peel.
Add vodka and liqueur; pour into prepared glasses.