Andy Muschietti

Litle Victoria is waken up by her sister Lili who insists on leaving the house because somebody unpleasant has come back. (imdb)

Annabel and Lucas are faced with the challenge of raising his young nieces that were left alone in the forest for 5 years.... but how alone were they? (imdb)

A group of bullied kids band together when a monster, taking the appearance of a clown, begins hunting children.

Twenty-seven years after their first encounter with the terrifying Pennywise, the Losers Club have grown up and moved away, until a devastating phone call brings them back.

Barry Allen / The Flash travels back in time to prevent his mother's murder, which brings unintended consequences to his timeline (wikipedia.com).