It looks like the Fright Fest 2019 Website is live, but looks undone. So far, the “Bloodshed” maze is back Replacing “Hellfest” from last year. Also, Aftermath has been moved from next to Looney Tunes Seaport to the Metropolis area of the park.
https://www.sixflags.com/greatadventure/special-events/fright-fest-night