Select the correct adjective form for the following sentence.
It is pretty silly for us to sit here and argue about who is the _____ superhero for the last three-and-a-half hours.
powerfuller
more powerful
powerfullest
most powerful
It is pretty silly for us to sit here and argue about who is the _____ superhero for the last three-and-a-half hours.
powerfuller
more powerful
powerfullest
most powerful