Heat a large pot, or an instant pot, and add about 1 Tablespoon cooking oil.
Add the pork, salt and pepper it, and sauté for about five to seven minutes.
Add the bacon to the pot.
Then, add the onion, poblano, chipotle, and jalapeño chilis, and garlic, and continue sautéing for about five more minutes, or until the onion have softened.
Add all the spices (ancho chile powder, cumin, oregano, and cilantro) to the pot, and stir it all up well. Cook about one minute until the spices are fragrant.
Add the tomatoes, beans, beer, and more salt and pepper.