Preheat the oven at 225C/450F.
Marinade: Add ancho and chipotle powder, paprika, black pepper, garlic powder, marjoram, salt to taste and lime juice to a bowl. Mix until well combined. The mixture should form a paste.
Marinate salmon: Rub the spicy marinade on the flesh of salmon fillet and make sure it is fully covered. Lightly grease an oven rack and place salmon skin side down on the grill. Grill for 8-12 minutes or until done.
Mango salsa: As the salmon cooks, peel avocado and mango then remove the seeds. Dice avocado, mango, red bell peppers, red onions, jalapeno peppers and add to a medium sized bowl. Season with salt, pepper and lime juice to taste. Stir until well combined. Option to add roughly chopped cilantro at this point or later.
Assemble: Add a few drops of oil to a pan and heat a tortilla for a few minutes on both sides. Repeat this step for all of the tortillas. Then, fill tortillas with