Prepare the bell pepper by removing the seeds and slicing it into wide, sturdy wedges to serve as the nacho base.
In a small skillet over medium heat, combine the shredded pork, black beans, smoked paprika, garlic powder, sea salt, and black pepper, heating until warmed through.
In a medium bowl, whisk together the lime juice and half of the Greek yogurt until smooth, then toss with the shredded cabbage to create the zesty slaw.
Arrange the bell pepper wedges on a large plate or platter in a single layer.
Spoon the warm pork and bean mixture evenly over the pepper wedges.
Top the nachos with the prepared zesty slaw, sliced avocado, the remaining dollop of Greek yogurt, and fresh cilantro before serving.