Henry Cavill (Superman) while promoting his latest film Man from U.N.C.L.E on The Tonight Show with Jimmy Fallon, verbally confirmed that Justice League will start pre-production in January or at least he thinks, though we’re pretty sure he knows.
“Justice League, I think it starts pre-production in January.”
This confirmation on The Tonight Show with Jimmy Fallon clears up Cavill’s Men’s Fitness Magazine interview, where it was printed that he stated the film would begin filming in early January, which left many questioning the quote. Mainly because DC Extended Universe producer Deborah Snyder, stated in her interview with Empire Magazine that it would be Spring of 2016.
Justice League starting pre-production in January to start principal photography in Spring, makes perfect sense.
UPDATE: The video of the interview has now been released online.