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 is even superior to that of Superman.She has at times engaged in battle with beings of equal or lesser strength (such as Superman) or durability,  (such as Captain Marvel, Darkseid, or Olympian Gods) but always prevails