Aidan's Avenger Crossword puzzle

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Across
  1. 2. Thor's evil brother
  2. 3. the green avenger
  3. 4. The king of lightning
  4. 5. the first avenger
Down
  1. 1. Man who assembled the avengers
  2. 3. Earth's mightiest heroes
  3. 4. who is the leader of stark industries/ironman