Melt margarine in a large nonstick skillet over medium-high heat. Add banana and cinnamon; saute 5 minutes or until golden, tossing gently. Transfer to a bowl, and keep warm.
Partially freeze tenderloins; trim fat from tenderloins. Cut tenderloins diagonally across grain into 1/4-inch-thick slices. Coat skillet with cooking spray. Place over medium-high heat until hot. Add half of pork, and cook 3 minutes on each side or until pork is lightly browned. Remove pork from skillet. Drain; set aside, and keep warm. Repeat procedure with remaining pork slices. Wipe drippings from skillet with a paper towel.
Combine 2 tablespoons orange juice, green onions, and red pepper in skillet; stir well. Cook over medium-high heat, stirring constantly, 2 minutes or until vegetables are tender.
Combine cornstarch and remaining 1 cup plus 2 tablespoons orange juice, stirring until smooth. Add cornstarch mixture to vegetable mixture in skillet; stir well. Add raisins, curry powder, and cumin. Bring to a boil; reduce heat, and simmer, stirring constantly, 1 minute. Return pork to skillet, and simmer an additional 3 to 4 minutes or until pork is tender, stirring frequently. Serve with banana slices.