Grilled Southwestern Shish Kebabs

Name: Grilled Southwestern Shish Kebabs
Ingredients: 3 cups Mexican lager (such as Negra™ Modelo); 0.75 cup coarsely chopped white onion; 0.75 cup chopped cilantro; 0.25 cup lime juice; 0.25 cup minced garlic; 1 tablespoon hot salsa; 1.5 teaspoons red pepper flakes; 0.5 teaspoon kosher salt; 0.5 teaspoon freshly cracked black pepper; 4 pounds beef tenderloin, cut into 1-inch cubes, or more as needed; 1 fresh pineapple, cored and cut into 1-inch pieces; 2 cups coarsely chopped red onion; 2 green bell peppers, cut into 1-inch pieces; 12 white mushrooms; 12 cherry tomatoes; (12-inch) skewers, soaked in water for at least 30 minutes