Lobster Corn Chowder

Name: Lobster Corn Chowder
Ingredients: 4 1 1/2 lb live lobsters; 2 tablespoons olive oil; 4 oz pancetta (diced); 1 yellow onion (diced); 3 stalks celery (diced); 2 carrots (diced); 2 teaspoons thyme; 1/2 teaspoon cumin; 1/2 teaspoon coriander; 1/2 teaspoon cayenne pepper; 1/2 teaspoon paprika (plus extra for serving); kosher salt (to taste); freshly ground pepper (to taste); 2 cups white wine; 2 cups heavy cream; 3 ears corn (kernels sliced off cob, and cobs cut into thirds); 6 medium red potatoes (diced); 3 tablespoons cilantro (roughly chopped); 1 medium jalapeño (thinly sliced (optional))