Prepare corn bread according to package instructions, or use your own favorite family recipe!
Allow bread to completely cool and then lightly crumble into the bottom of a trifle or salad bowl.
In a small bowl, combine mayo, sour cream and ranch mix. Set aside.
Sprinkle about 1 cup's worth of shredded cheddar cheese over the crumbled corn bread
Spoon half of the salad dressing mixture over the shredded cheese.
Layer the remaining ingredients in the following order: Black beans, corn, pinto beans, 1/2 of the bacon, tomatoes, green and red bell peppers, remaining salad dressing, and topped with additional bacon bits, green onions and jalapeno slices. Garnish with a dollop of sour cream and serve!