Across
- 1. a superhero with super strength, speed, and the ability to fly.
- 2. having abilities that are stronger or better than a normal human being.
- 3. an underground railway system used for trains in cities.
- 5. a person who works under someone else and follows their instructions.
- 7. a special ship that can travel underwater.
- 8. to watch over someone to make sure they are doing something safely or correctly.
Down
- 1. to replace something that is old or no longer used.
- 2. to put something under water so it is covered completely.
- 4. a smaller title under a main heading that gives more detail.
- 6. an extra special ability or a very powerful country in the world.