In April 2017, the release date for the series was revealed via a teaser trailer designed to look like security footage showing the four Defenders inside a Midland Circle elevator.
In April 2017, η ημερομηνία κυκλοφορίας της σειράς was revealed via a teaser trailer designed to look like security footage showing τους τέσσερις Προστάτες μέσα σε έναν ανελκυστήρα της Midland Circle.