Partially freeze steak; trim fat from steak. Slice steak diagonally across grain into 1/4-inch-wide strips. Combine tequila and next 6 ingredients in a heavy-duty, zip-top plastic bag; seal bag, and shake well. Add steak; seal bag, and shake. Marinate in refrigerator 8 hours. Remove steak from marinade; discard marinade. Cook corn according to package directions, and set aside. Wrap tortillas in aluminum foil, and bake at 325° for 15 minutes.
Pour 2 teaspoons oil around top of preheated wok, coating sides; heat at medium-high (375°) for 2 minutes. Add red pepper strips and green onions; stir-fry 2 minutes. Remove from wok. Add 2 teaspoons oil to wok. Add steak; stir-fry 5 minutes. Remove steak from wok. Add remaining 2 teaspoons oil to wok. Return vegetables and steak to wok. Stir in corn and jalapeno pepper; stir-fry 1 minute. Divide steak mixture among tortillas. Top each with tomato, cheese, and sour cream; roll up tortillas.