To prepare mayonnaise, remove 1 teaspoon adobo sauce from can; reserve remaining sauce and chiles for another use. Combine 1 teaspoon adobo sauce, mayonnaise, lime juice, 1/8 teaspoon salt, and garlic, stirring well. Cover and chill.
To prepare slaw, combine the cabbage and next 8 ingredients (cabbage through 1/8 teaspoon salt) in a medium bowl, tossing to combine. Cover and chill.
To prepare chile, place poblano on a foil-lined baking sheet; broil 10 minutes or until blackened, turning occasionally. Place in a zip-top plastic bag; seal. Let stand 15 minutes. Peel chile; cut in half lengthwise. Discard the seeds and membranes. Thinly slice chile; set aside.
To prepare shrimp, heat a large nonstick skillet over medium-high heat. Sprinkle 1/8 teaspoon salt and black pepper over shrimp. Coat pan with cooking spray. Add shrimp to pan; cook 3 minutes on each side or until done. Remove from pan; keep warm.
To prepare pinto beans, place beans in a small saucepan over medium-high heat; bring to a boil. Reduce heat; cover and keep warm.
To prepare sopes, combine masa harina, water, and 1/2 teaspoon salt; stir until a dense dough forms. Divide masa mixture into 8 equal portions. Roll each portion into a ball using moist hands. Pat each ball into a 1/4-inch-thick patty.
Wipe skillet with a paper towel. Heat pan over medium-high heat. Add 1 tablespoon oil. Place 4 sopes in pan; cook 5 minutes or until browned. Lightly coat tops of sopes with cooking spray. Turn over; cook 5 minutes or until browned. Repeat procedure with remaining oil and sopes.
Place about 1 cup slaw on each of 4 plates. Arrange 2 sopes on each plate. Using a slotted spoon, spoon 2 tablespoons pinto beans on each sope; top each with 2 shrimp. Spoon 1 teaspoon mayonnaise over each sope. Divide the poblano strips evenly among servings.