Rinse and drain the black beans.
Drain the corn and set aside.
Dice the red and green bell peppers.
Finely chop the red onion.
Halve the cherry tomatoes.
In a large bowl, combine the black beans and corn.
Add the diced bell peppers, chopped onion, and cherry tomatoes.
In a separate bowl, whisk together olive oil, apple cider vinegar, lime juice, salt, and pepper.
Pour the dressing over the bean mixture and toss to combine.
Gently fold in the diced avocado and cilantro.