The similarities between these two movies,are: -supernatural,fantasy,action, aliens,vampires,investigation, mysteries to solve, demons to kill, badass ML,fighting partners,sword fighting,strong female lead,half-demon-half-human,assistance female lead,the same actors, and of course the continuation of the story, being the third part of the series!

This movie it has the same things in common with the first one, because it is the continuation of the story, other mysteries to be solved, with the same actors in the main roles,and the most important thing to know is the second part of this series !