Hero Worship (15 word Extra puzzle)

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Across
  1. 3. Harvey Dent *6
  2. 6. Susan Storm *13
  3. 8. Shield *11
  4. 9. Loki *4
  5. 10. Gwen Stacy *9
  6. 12. Charles Xavier *4
  7. 13. Kal El *8
  8. 15. Bruce Banner *4
Down
  1. 1. Barry Allen *8
  2. 2. Peggy Carter *14
  3. 4. Logan *9
  4. 5. Diana Prince *11
  5. 7. Optimus Prime *12
  6. 11. Howard Stark *7
  7. 14. Stan Lee *6