Conversation so far:
when did the first mamma mia come out
Mamma Mia! was released on July 18, 2008 in the US.
when did the mamma mia sequel come out
Mamma Mia! Here We Go Again was released July 20, 2018.

Question: was there a third movie
Self-contained rewrite: was there a third Mamma Mia! movie