The first official pictures of the film set were released on April 23, 2014, and were followed by the release of the first film stills in June 2014. During the San Diego Comic-Con convention in July 2014, 500 copies of a limited-edition "Jurassic World" poster by Mark Englert were given out. Audiences at the convention were disappointed by the lack of "Jurassic World" footage; what they thought to be footage for the film was a teaser trailer announcement for Legendary Pictures' upcoming film, "". The film was marketed with the tagline "The park is open".