Across
- 1. A famous superhero
- 2. Being better than a human
- 3. An underground passage or a type of sandwich
- 5. Being of a lower rank
- 7. An underwater vehicle
- 8. To watch over something
Down
- 1. To replace something
- 2. Dunking something underwater
- 4. A heading that comes after the main heading
- 6. Something that a superhero has