The clock is ticking for HBO's highly anticipated Watchmen series.On Thursday, the television series' Twitter account started a social media campaign teasing the release of a new trailer. Featuring a banner of a yellow heart covered in the classic Watchmen button blood drip, the tweet informs users to like the post in order "to be among the first to receive the new, official trailer for #WatchmenHBO."RELATED: SDCC: HBO Brings Watchmen, His Dark Materials & Westworld to Hall H

After liking the post, the Watchmen account instantly sends you a reply. While it doesn't include a trailer just yet, it features a banner image of the words "Tick Tock" in Watchmen-yellow font, along with a caption that reads, "Nothing ever ends... Stay tuned."

While there is no confirmation, it's likely that the series' new trailer will debut this weekend at Comic-Con International in San Diego. HBO has already confirmed that it has plans for some of its biggest series like Westworld and Watchmen at the convention, with the latter having "a surprise in-world opportunity in San Diego's bustling Gaslamp Quarter."

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HBO's Watchmen series will not be a direct adaptation of Alan Moore and Dave Gibbons' seminal graphic novel. Instead, it has been described as a remix by series creator Damon Lindelof, and a sort of sequel set years later.

Developed by Damon Lindelof, HBO's Watchmen stars Jeremy Irons, Regina King, Don Johnson, Tim Blake Nelson, Louis Gossett Jr., Yahya Abdul-Mateen II, Tom Mison, James Wolk, Adelaide Clemens, Andrew Howard, Frances Fisher, Jacob Ming-Trent, Sara Vickers, Dylan Schombing, Lily Rose Smith and Adelynn Spoon. The series will premiere in the fall of 2019.