The Devourer From Beyond

It stands seven feet tall and weighs a muscular 400 pounds. Full of malice, it boards the plane.
Federal Air Marshal James Grey is still trying to get over losing the love of his life and wants nothing more than a routine flight.
It has other ideas.
Neither the federal government nor James is prepared for what's to come, including fanatical cultists who are hell-bent on releasing a world-destroying monster.
Can James and his team stop them and convince others to help them in their fight, or will a horrifying behemoth with an insatiable appetite destroy every living thing on Earth?