On whether or not we will see more gunslinging bounty-hunter movies, Fox states:
“You don’t think there will be a sequel to ‘Jonah Hex’?” They leave it open for a sequel.”
Sounds like everyone was pleased with the first shoot so they tweaked the script to leave room for a sequel. I'm not surprised but Megan Fox sounded surprised when she was asked about the setup for the potential sequel:
Check out the below video for more.