The Most Noteworthy Marvel Avengers Characters Ranked

The More You Know

• There's only one country in the world that doesn't use the metric system.
• Mount Rushmore cost less than $1 million.
• Humans are the only animals with chins.
• Following the release of Rocky IV, a joke was making rounds in Hollywood. Since Rocky had run out of opponents, he would have to fight an alien if a fifth movie was made. Jim and John Thomas took the joke seriously and wrote a screenplay based on it, which later became the movie "Predator".