Blackened roast salmon with avocado mango salsa

Name: Blackened roast salmon with avocado & mango salsa
Ingredients: 2 tbsp smoked paprika; 1 tsp dried oregano; ½ tsp cayenne pepper (or just a pinch if you want less heat); 1 tbsp soft light brown sugar; 2 limes, zested, 1 juiced and 1 cut into wedges; 1 garlic clove, crushed; 3 tbsp olive or rapeseed oil; 3 peppers, cut into chunks; 2 red onions, peeled and cut into wedges; 2 x 400g cans black beans, drained; 850g side of salmon, pin-boned and scaled; 3 small or 2 large ripe avocados; 1 small, firm ripe mango; 1 red chilli, finely chopped; small bunch coriander, chopped