Original sentence: Diana is one of the strongest superheroes in the DC Universe.She has at times engaged in battle with beings of greater strength or durability  (such as Superman, Darkseid, or Olympian Gods) and prevailed
Edited sentence: Diana is one of the strongest superheroes in the DC Universe, her strength level is far superior to that of Superman.She has at times engaged in battle with beings of near-equal strength or durability  (such as Captain Marvel, Darkseid, or the Olympian Gods) and has always prevailed