Marvel villains

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Across
  1. 4. Merged with alien
  2. 6. Test subject on experiment
  3. 7. Real name is Otter Gunther Octavius
  4. 8. Clones people
Down
  1. 1. Has electric powers
  2. 2. Makes pumpkin bombs
  3. 3. Alias is Black Suit
  4. 5. Real name William Baker
  5. 9. Enemy is spiderman