Sylvester Stallone teases The Expendables 4 with an image of a new ring designed for the action movie. Stallone assembled his first team of action movie heavy-hitters for 2010’s The Expendables. Fans enjoyed the movie’s old-school thrills and it went on to gross $274 million at the box office.

With numbers like that it was obvious The Expendables would not be a one-off novelty. 2012 saw the arrival of The Expendables 2, which memorably featured a post-Governator Arnold Schwarzenegger in a more substantial role following his cameo in the first movie. 2014’s The Expendables 3 upped the star power even more, even bringing in Harrison Ford, and continued the series’ mildly successful box office run. However, by 2014 perhaps the novelty of such action hero team-ups had worn off, as Expendables 4 was not immediately put into production. Now however it seems the film is finally ready to get going, as series star Randy Couture recently revealed a script is in the works and it’s possible the film could go into production as soon as this fall.

Related: Why Jackie Chan Never Joined Stallone's Expendables Movies

Stallone has now chimed in with his own teaser indicating that The Expendables 4 is indeed moving forward. On Instagram, the star posted a picture of a key element from the upcoming Expendables movie – Barney Ross’ new lucky ring. See the image in the space below:

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It’s not yet been confirmed that The Expendables 4 has a finished script nor has a director been named but it’s at least now known that Barney Ross has a new lucky ring. Ross of course has sported his signature piece of jewelry since the first Expendables movie, and fans have been able to buy replicas of the ring ever since. Of course, it would seem logical that if Barney Ross has a lucky ring it would always be the same lucky ring. But if Stallone’s character has the same ring in every movie, they can’t make a new ring to sell. The marketing tie-in potential of a new ring is obviously more important than being realistic about how lucky rings are supposed to work.

Now that Barney Ross’ new ring has been revealed fans can eagerly await casting news on The Expendables 4. Stallone, Couture and Jason Statham seem to be the only sure things when it comes to cast, but obviously there are loads of other action stars for producers to choose from (assuming they're interested). Dwayne Johnson, Vin Diesel, Liam Neeson, Nicolas Cage and Dave Bautista are all actors whose filmographies feature plenty of action, who have yet to appear in an Expendables movie. Bautista in particular has worked with Stallone before and might be eager to do so again. Other names who’ve been rumored for the Expendables series in the past include Steven Seagal, Robert De Niro, Jackie Chan, Jean Reno and Ron Perlman. Robert Downey Jr. is another actor who's done plenty of action who might be fun to have join the team, maybe even as a bad guy. The Expendables 4 does not yet have a release date.

More: Why Jet Li Literally Dropped Out Of The Expendables 2 So Early

Source: Sylvester Stallone/Instagram