Complex sentence: Critics gave a positive response with a 90% fresh on Rotten Tomatoes; it is currently the highest rated of all the animated Batman films and second highest for any Batman film after "The Dark Knight" (94%).
Split into simpler sentences: Critics gave a positive response with a 90% fresh on Rotten Tomatoes. It is currently the highest rated of all the animated Batman films and second highest for any Batman film after "The Dark Knight" (94%).