Question: Which company, headed by Thomas Tull, produced the 2013 film that was the first installment in the DC Extended Universe?
Sentence (from "Batman v Superman: Dawn of Justice"): It was written by Chris Terrio and David S. Goyer, and features an ensemble cast that includes Ben Affleck, Henry Cavill, Amy Adams, Jesse Eisenberg, Diane Lane, Laurence Fishburne, Jeremy Irons, Holly Hunter and Gal Gadot.
Relevant evidence: No