Heat 1 teaspoon olive oil in a large nonstick skillet over medium-high heat. Add shrimp, and cook 3 minutes or until done, stirring occasionally. Remove shrimp from pan; set aside, and keep warm.
Heat remaining 1 teaspoon olive oil in pan. Add garlic and onion, and sauté 2 minutes. Add beans and wine; bring to a simmer, and add tomatoes. Cook 2 minutes, stirring occasionally. Stir in spinach, and cook 1 minute or just until spinach wilts.
Add shrimp and juices, peppers, and salt, stirring to combine.