Square Enix and Avalanche Studios have offered the first details on the upcoming Sky Fortress expansion for Just Cause 3, as it's "nearing completion". Sky Fortress will be the first of three expansions coming to Avalanche's manic open-world destruct 'em up, available with the game's Air, Land and Sea Expansion Pass.According to the developer, the Sky Fortress DLC "will bring new missions, features, and other exciting surprises to the skies of Medici," adding: "We're play-testing this content right now so watch this space for more news on this very soon."Furthermore, two add-ons previously only available as pre-order bonuses are now available for $3.99/£3.19 each, with the Weaponized Vehicle Pack and Explosive Weapon Pack adding various new items to aid Rico in wreaking more havoc.Avalanche is also hard at work on a new patch offering optimisations, bug fixes and other improvements. "We'll continue to roll these out as soon as they're ready, with the next patch expected later in the month," the dev stated. "We're doing everything we can to get to the bottom of all the issues that are reported to us."Just Cause 3 came out on 1st December, and will be getting a further two DLC expansions following the launch of Sky Fortress