I'm honestly still new to the whole Twitter thing in general, but I'm trying out a few things.
1) If Lara trusted the Coalition, she’d work for them as a pilot flying the void between the worlds. She’d know what to think when they tell her a captain went rogue + killed the other pilots. But if Lara doesn’t fight with them, the captain might end the worlds.
2) Lara pilots her airship through the void between the worlds, scavenges in ancient ruins for lost artifacts, and always sticks her neck out for her tight-knit crew. Now she has to chase a military renegade through the void to prevent society’s destruction.
3) Lara Kavarin flies her ship through the void between the worlds, seeking lost treasures. Amerlaine Silver wants to unleash the horrors of the void to destroy society. Outmatched, Lara must stop her, or else the worlds will become a living nightmare.
I agree with Michael here that "can destroy society" is too vague but the rest is solid (both in this recent one and in #2 above).
As for #3, I think some word changes can leave you more room for detail:
Lara flies her ship through the void between the worlds, seeking lost treasures. But when an [adjective/noun pairing] threatens to unleash the nightmares of the void on society, Lara must stop her, despite...
#1 is confusingly constructed so it's my least favorite. But overall I'm very interested even as they currently are. I'll keep an eye out for revised versions and happily look them over once they're ready!