Chipotle Pork Loin With Black Bean Salad

Name: Chipotle Pork Loin With Black Bean Salad
Ingredients: 1 teaspoon ground chipotle chili pepper or chili powder; 1 teaspoon paprika; ½ teaspoon ground cumin; ¼ teaspoon ground coriander; 4 tablespoons olive oil; kosher salt; 1½ pounds boneless pork loin; 2 15.5-ounce cans black beans, rinsed; 1 avocado, cut into bite-size pieces; ½ cup fresh cilantro leaves; 2 scallions, thinly sliced; 1 red chili pepper (such as jalapeño or serrano), chopped; 2 tablespoons fresh lime juice, plus wedges for serving