"... if humans bomb the planet with their nuclear arsenal, the only life on earth would be ..." What would it be, according to Rex's science teacher?

"My costume turns out really good." Rex makes his own Halloween costume based on a movie series. What is the name of the series?

What is the name of the student who shares his comic book with Rex?

"... in the books, the villains ... are always punished. Plus there's usually a happy ending."  What genre of books does Rex like?

"... she's always real kind and happy and she always tells me how much she cares for me." Who is Rex talking about here?

"I can't stop laughing. That's really smart." Rex says this about another student's costume. What is the name of the costume that makes him laugh?

'"If you could have a mutant superpower, what would it be?", Ethan asks?' What superpower does Rex choose?

What class is Rex excited about choosing in this first year of middle school?

Rex wants to play this sport in school, but he does not get his parents support.

"... I only get them with meat and cheese. I hate lettuce and tomato." What food does Rex love to eat this way?