Aquaman actor Jason Momoa took to Instagram to tease what looks to be a Green Lantern-related announcement at today's Warner Bros. Films panel for Comic-Con International in San Diego.

"Aquaman is here San Diego comic con So stoked to share all the goodies," Momoa wrote in the post, which features a banner that has Green Lantern prominently on it, alongside the rest of Justice League's principal cast. "Ps I know something you don't know. And it's F&$^#& amazing. ???????Yay. Awlright. Aloha AC."

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Take a look at the post below.

Aquaman is here San Diego comic con So stoked to share all the goodies. Ps I know something you don't know. And it's Fucking amazing. ???????Yay. Awlright. Aloha AC A post shared by Jason Momoa (@prideofgypsies) on

If you're eager to discover out what Momoa is teasing, you'll definitely want to check out CBR's coverage of the WB Films panel at 11:30am PT.

There hasn't been official confirmation, but a Green Lantern appearance in Justice League has been rumored over the last few months. While we don't know if the character will debut in Justice League, it's for certain he (or she) will headline the upcoming Green Lantern Corps movie slated for 2020. The film is rumored to be directed by Rise of the Planet of the Apes' Rupert Wyatt, from a script by The Dark Knight's David S. Goyer.

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Debuting in theaters on November 17, Justice League is a production of Warner Bros. Studios directed by Zack Snyder and starring Ben Affleck, Henry Cavill, Gal Gadot, Jason Momoa, Ezra Miller, Ray Fisher, Ciarán Hinds, Amy Adams, Willem Dafoe, Jesse Eisenberg, Jeremy Irons, Diane Lane, Connie Nielsen and J. K. Simmons.