Premiere for X-Men: First Class. The premiere for X-Men: First Class happened at the Ziegfeld Theatre in New York City, on May 25, 2011. A week later, on June 3, the film had its wide opening. In North America, the film opened on approximately 6,900 screens at 3,641 locations, debuting atop the weekend box office with earnings of $55.1 million across the three days, including $3.37 million at its Friday midnight launch. This opening was much lower than the opening weekends of X-Men: The Last Stand ($102.7 million), X2: X-Men United ($85.5 million), and X-Men Origins: Wolverine ($85.0 million), but it was slightly higher than X-Men ($54.5 million). Executives at 20th Century Fox said they achieved their goal by opening with about the same numbers as the first X-Men film and that it was an e