Comic Con is some people's heaven. In there, they can dress up, meet and greet actors and, most importantly, geek out without anyone judging. In a similar way to how some shows such as Game of Thrones have seen a boom after Comic Con and the character panels, Star Trek has been greatly aided by the event pushing fans closer together and increasing the spread of memorabilia and overall knowledge regarding the movies.
Star Trek Beyond is one of the most anticipated movies of the year. It is hot on the heels of the success of the previous two reboots. It also is a big budget movie with lots of stars, making it a blockbuster by that definition. It is going to be a huge success.
Yes, Star Trek Beyond may be anther blockbuster due to the Comic Con premier. The Star Trek series is a very popular series with a large number of loyal fans. Therefore, one can expect that the movie may be a blockbuster. The Comic Con premier can only add to the likelihood of the movie's success.
Following the breakthrough performance of J.J. Abrams' reboot of Star Trek, and its massive sequel Star Trek Into Darkness, the follow-up Star Trek Beyond was bound to be a success. With directorial duties handed off to Justin Lin, a hot commodity thanks to the global reach of his work on The Fast and the Furious sequels 3 to 6, and with the power and brand identity of Star Trek behind it, Star Trek Beyond would have reached block buster status even if it had been terrible. At 86% fresh on Rotten Tomatoes at the time of this writing, it cannot help but succeed.