We get an update regarding the physcial stature of Ben Affleck as Batman from Affleck's trainer on Twitter, Rehan Jalali.
Jalali participated in a Twitter QnA where he mentioned a couple of details about Ben Affleck.
Here is a recent image of Ben Affleck as of March 13th (via Just Jared):
"Batman Vs Superman" has a newly announced May 6, 2016 release starring Ben Affleck, Henry Cavill, Gal Gadot, Amy Adams, Laurence Fishburne, Diane Lane and Jeremy Irons.
For more news on the "Man of Steel" and related movies head on over to the Cosmic Book News Superman movie hub.