Heat butter on medium heat in a medium size saute pan. Add peppers, corn and sprinkle with chili powder. Stir well and cook for 5 to 10 minutes or until vegetables are tender.
Remove the vegetables from pan and add to a medium size bowl. Add the olive oil, cilantro, juice from the lime and cheese. Mix well and add salt and pepper to taste. Set aside.
Oil and heat a gas grill on high heat.
In a small bowl, mix together the cumin, garlic powder, salt and pepper. Season the meat cubes well on all sides. Thread the meat on the skewers.
Place the kabobs on the grill and cook turning occasionally, until browned on all sides, about 2 -3 minutes per side.
Remove the kabobs from grill and let rest on a plate for 5 minutes. Serve on top or with the corn salad. Garnish with extra chopped cilantro.