Superman and Batman Film Set for Comic-Con Reveal – The Hollywood Reporter

Zack Snyder will direct the follow-up to his "Man of Steel" in 2015 with a tentative plan for "Flash" and "Justice League" movies to follow in 2016 and 2017, respectively, sources confirm to THR.

When Bruce Met Clark: The Many Comic Book Origins of Superman/Batman – The Hollywood Reporter

The Flash, DC Extended Universe Wiki

The Batman (film) - Wikipedia

WB Reschedules 'Batman v. Superman' And Sets DC Dates Through 2020 While Fox Pushes 'Kingsman' To 2015 – IndieWire

Batman - Wikipedia

DC Announces San Diego Comic-Con 2023 Lineup - IMDb

The Flash timeline: What happened to the DC movie?

Warner Bros. announces Batman/Superman movie for 2015

The Flash: Inside George Clooney's Return as Batman – The Hollywood Reporter