Misc: What group of superheroes display the number 4 on their chests?

Questions

These are the two highest valued letters in scrabble?

These license plates are manufactured by prisoners in the state prison in Concord. What is the slogan on them?

These rabbits are prized for their long, soft fur, used to make very expensive sweaters?

Thick, light yellow portion of milk from which butter is made?

This African animal kills the most people?