Give a stream of consciousness and then the final answer. Mamma Mia! Here We Go Again premiered at the Hammersmith Apollo in London on July 16, 2018 and was released in the United Kingdom and the United States on July 20, 2018, ten years to the week of its predecessor's release, in both standard and IMAX formats. The film has been a box office success, grossing over $392 million worldwide and received generally positive reviews, with critics praising the performances and musical numbers.

Based on this passage, when does the new mamma mia 2 come out?
The relevant sentence in the passage is: Mamma Mia! Here We Go Again premiered at the Hammersmith Apollo in London on July 16, 2018 and was released in the United Kingdom and the United States on July 20, 2018, ten years to the week of its predecessor's release, in both standard and IMAX formats.
So, the final answer is July 20 , 2018.