1. Place corn on a baking sheet; bake at 450° for 12 minutes, stirring occasionally. Transfer to a bowl. Add peppers and next 4 ingredients.
2. Brush steaks with soy sauce. Coat grill rack with cooking spray; place on grill over hot coals. Place steaks on rack; grill, covered, 4 minutes on each side or until fish flakes easily when tested with a fork. Serve with pepper mixture.