San Diego Comic-Con News:  DC Entertainment has released an image of Ben Affleck in costume for Zack Snyder’s Batman v Superman: Dawn of Justice, which is slated to debut on May 6, 2016.  The picture is included in a montage of Batman photos and art at the DC booth in San Diego, which also features Affleck’s Batman cowl and cape as part of a celebration of the Caped Crusader’s 75th Anniversary (see "Closeup Look at Affleck's Bat-Cowl").
 
The image was released on DC’s blog with the following explanation: "The filmmakers wanted to include this new cinematic version of the Dark Knight in the anniversary mosaic so it could be discovered by fans!  The cast and crew behind Batman v Superman: Dawn of Justice are excited to be a part of the 75th celebration!"