Simplify the following text for a Grade 7 native English-speaking person.
Original: Fearing that Drek will destroy the galaxy , Clank asks Ratchet to help him find the famous superhero Captain Qwark , in an effort to stop Drek .
Simplified: Clank wants to stop Drek , and wants Ratchet to help him find a superhero called Captain Qwark , who he thinks will stop Drek .