Combine marmalade, soy sauce, salt, black pepper, and garlic in a small bowl. Arrange salmon fillets, skin sides down, on a foil-lined baking sheet coated with cooking spray.
Brush fish fillets evenly with half of marmalade mixture.
Bake fish fillets at 450 for 4 minutes.
Heat broiler to high (do not remove fish from oven); broil fish 6 minutes. Spoon remaining marmalade mixture onto center of fillets. Broil fish an additional 3 minutes or until desired degree of doneness.
Sprinkle fish evenly with green onions; serve with lemon wedges.
