Heroes unite

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Across
  1. 3. to jump
  2. 4. something funny
  3. 7. the guys who the superman hate
  4. 9. guys who the destroys the bad guys
  5. 10. group of superheroes
Down
  1. 1. attack of superhumans
  2. 2. destroy bad guys
  3. 5. to start
  4. 6. to transform
  5. 8. extra terrestrial