Spray 5- to 6-quart slow cooker with cooking spray. In 12-inch skillet, heat 1 tablespoon of the oil over medium-high heat. Add half of the beef; cook 3 to 4 minutes, stirring frequently, until browned on all sides. Place beef in slow cooker. Repeat with remaining 1 tablespoon oil and beef.
Stir black beans, diced tomatoes, seasoning blend, beer, chili powder, cumin and salt into slow cooker.
Cover; cook on Low heat setting 8 hours. Top individual servings with chopped tomato and cheese. Garnish with green onions, jalapeños and lime wedges.