Most viewed movie trailers in their first 24 hours as of April 2023

As of February 2023, the teaser of "Spider-Man: No Way Home" (2021) remained the most-watched movie trailer within 24 hours of release in history, with more than 355 million views. The teaser of "Thor: Love and Thunder" was launched in April 2022 and made it to the top 10 with 209 million views – the film was set to premiere three months later. Six of the 10 titles displayed are based on Marvel Comics' stories. How important are trailers for publicizing a film?To release a movie trailer online is a recurring means of introducing an upcoming production to a broad audience. In the second quarter of 2022, TV commercials and social media were among the most common ways of discovering new films in the United States and Canada, mentioned by 49.9 and 33.1 percent of the adults surveyed, respectively. A leading player in the market, the Walt Disney Company expanded its advertising expense continuously since 2018. In 2021, Disney's ad spending amounted to 5.5 billion U.S. dollars, over 110 percent more than five years before. Fandoms of films: online and ongoingOnline movie trailers may also boost the conversation about the titles across the internet. As of September 2021, three out of four internet users aged between 18 and 44 years in the U.S. watched or streamed movies at least once a week. Those more passionate about certain films continue to talk about them online even years after their theatrical releases. As of January 2023, the Harry Potter franchise and "Titanic" had about 72 million and 53 million Facebook fans, respectively.

截至2023年2月，电影《蜘蛛侠：不再回家》（2021年上映）的预告片在发布后24小时内观看量最高，累计超过3.55亿次观看。电影《雷神4：爱与雷霆》的预告片于2022年4月发布，以2.09亿次的观看量跻身前十——该电影将在三个月后上映。在展示的10个标题中，有6个基于漫威漫画的故事。预告片对于电影宣传的重要性究竟如何？将电影预告片发布至网络，是向广大观众介绍即将上映作品的常规手段。在2022年第二季度，电视广告和社交媒体是美国和加拿大成年人发现新电影的最为常见的方式，分别有49.9%和33.1%的受访者提及。市场中的领先者华特迪士尼公司自2018年以来持续扩大其广告支出。2021年，迪士尼的广告费用达到了55亿美元，比五年前增长了超过110%。电影的粉丝：在线与持续的热情在线电影预告片亦能促进互联网上关于电影话题的讨论。截至2021年9月，美国18至44岁的四分之三的互联网用户至少每周观看或流媒体播放一次电影。对于那些对某些电影更加热爱的观众，即使是在它们上映多年之后，他们依然会在网络上持续讨论。截至2023年1月，《哈利·波特》系列和《泰坦尼克号》分别在Facebook上拥有约7200万和5300万的粉丝。