Heat extra-virgin olive oil in a skillet on medium-high heat. When hot, add onion. Cook for 5 minutes. Add bell peppers. Cook for 5 minutes more.
Add Nacho ‘Banzos and simmer all together for 1 minute. Turn off heat and let sit.
Open and slice avocado. Wash and chop cilantro.
Cook corn tortillas directly on stovetop (if a gas stove), or in a hot skillet, flipping each after about 30 seconds. Stack them on a plate and wrap stack in a clean dish towel to retain heat.
Assemble tacos with chickpeas, avocado, coleslaw, avocado, and cilantro.