In a skillet, sauté peppers and onion in oil until tender. Stir in picante
sauce; set aside.
Cook frozen vegetables according to package directions; drain. Cool slightly;
coarsely chop vegetables.
Place 2 tortillas on an ungreased baking sheet. Spread each with 1/3 cup
refried beans and sprinkle with 1/3 cup of the pepper mixture. Top each with
another tortilla. Spoon 1 1/2 cups vegetables over each tortilla and sprinkle
with all of the jack cheese. Top the last 2 tortillas with remaining beans and
pepper mixture; place one on each stack. Sprinkle with all of the cheddar cheese.
Bake for 10 to 15 minutes or until heated through and cheese is melted.
Garnish with cilantro and olives. Cut into wedges.