Superhero’s and Sci Fi

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Across
  1. 3. A human-like robot
  2. 12. This green rock is Superman's weakness
  3. 13. This hero fights crime in Gotham City without superpowers
  4. 15. A separate reality or world
  5. 17. This villain searched for the Infinity Stones
  6. 19. A glowing object found in space
  7. 22. This superhero uses magic and controls dimensions
  8. 25. This hero has the ability to shrink to a tiny size
  9. 27. A doorway connecting two locations or dimensions
  10. 29. This hero carries a famous circular shield
  11. 30. This superhero wears a high-tech suit of armor
  12. 32. This tree-like character says the phrase "I am Groot"
  13. 34. This superhero uses a magical hammer called Mjolnir
  14. 35. An exact copy of a person or creature
  15. 36. A term related to computers and technology
  16. 39. This hero rules the underwater city of Atlantis
  17. 41. This hero is the king of Wakanda
  18. 43. A machine that can be programmed to perform tasks
  19. 45. Everything that exists including planets and stars
  20. 46. This hero becomes stronger when he gets angry
  21. 47. Another word for the universe
  22. 48. The force that keeps us on the ground
  23. 49. A fictional power source for futuristic technology
Down
  1. 1. The opposite of a superhero
  2. 2. The ability to move through different points in history
  3. 4. This Amazon warrior is part of the Justice League
  4. 5. A person who uses their abilities to help others
  5. 6. An extraordinary ability beyond normal humans
  6. 7. A person who travels into space
  7. 8. A creature from another world
  8. 9. Earth is an example of this object in space
  9. 10. A powerful beam of focused light
  10. 11. This villain and trickster is Thor's adopted brother
  11. 14. A vehicle used to travel through space
  12. 16. This hero can climb walls and shoot webs
  13. 18. Technology that allows machines to think or learn
  14. 20. This superhero is known for moving at incredible speeds
  15. 21. This superhero is known for flying and having super strength
  16. 23. To instantly move from one place to another
  17. 24. An object that travels around a planet
  18. 26. This Guardian of the Galaxy is a talking raccoon
  19. 28. A massive collection of stars and planets
  20. 31. A vehicle used to launch into space
  21. 33. A group of machines controlled together
  22. 37. This Batman villain is known for his purple suit and chaos
  23. 38. A power that allows someone to not be seen
  24. 40. A collection of multiple universes
  25. 42. Earth's natural satellite
  26. 44. The path a planet or object takes around another object