The Game.

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Across
  1. 4. Mark Grayson
  2. 7. "That's gonna leave a ____"
  3. 8. Prime
Down
  1. 1. I am Iron Man
  2. 2. Trey
  3. 3. S-Class Hunter
  4. 5. Killer Illumination
  5. 6. Knuckle Head Ninja