Complete this Marvel crossword, then rearrange the letters in the shaded squares to reveal a clue to where the prize will be

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Across
  1. 2. Who played Obadiah Stane in Iron Man (11)?
  2. 4. What is the name of the newspaper wher Peter Parker works (13)?
  3. 6. Which planet does Peter Quill retrieve the orb containing the Power Stone from (5)?
  4. 7. What is the name of the blue infinity stone (5)?
  5. 8. What is Tony Stark's dad's name (6)?
Down
  1. 1. What is the name of Natasha Romanoff's sister (6)?
  2. 3. What system replaced JARVIS (6)?
  3. 5. Rocket claims he needs three items to escape the prison on GofG1. A security band, a prosthetic leg and a what (7)?