Ackles is the current voice of Batman in DC's animated Tomorrowverse continuity, which gives him an edge over other possible actors for the role, as the new DC Universe will see actors play their roles across movies, series, animation, and video games.

Source: https://screenrant.com/dc-universe-batman-jensen-ackles-batsuit-fan-art/

As Legion of Super-Heroes concludes, a shocking post-credits sequence features some horrific murders, teasing a bleak future for the Tomorrowverse.

Source: https://www.cbr.com/legion-of-super-heroes-post-credits-sequel-setup-explained-dc/

Named after the first film in the series, the well-received Superman: Man of Tomorrow, the Tomorrowverse is still relatively new but has left many avenues open for big things to come.

Source: https://screenrant.com/justice-league-animated-movies-watch-order/