Batman v Superman: Dawn of Justice premiered at Auditorio Nacional in Mexico City on March 19, 2016, followed by a New York City premiere on March 20 at Radio City Music Hall. Following the Brussels attacks, Warner Bros. originally cancelled the red carpet of the London premiere, but decided to carry on with the premiere for the fans.
The film was released in the United States and the United Kingdom on March 25 in 3D. It opened simultaneously in North America, China and Japan, the world's three largest film markets, as well as additional international territories, with the exception of Poland, where theaters do not open on Good Friday. The film debuted simultaneously across 30,000 screens in nearly every major foreign territory across 61 markets, including China, with domestic open across roughly 4,242 locations of which 3,500 theaters (85%) were in 3D, 390 IMAX screens, 470 PLF locations, 150 D-Box theaters and ten 70mm prints.