Complex sentence: Despite not yet releasing in cinemas, the film has been given below average reviews, with a 57% "Rotten" rating on Rotten Tomatoes and it has a 56 rating on the review aggregator metacritic.
Split into simpler sentences: Despite not yet releasing in cinemas, the film has been given average or below average reviews. However, it has a 56 rating on the review aggregator metacritic.