Which of these existing superhero horror movies* that combines elements of both genres is your favorite, so far? * I may or may not limit the final answer pool to one superhero horror movie answer option per franchise with 10,000+ IMDb votes and a 5.0+ IMDb rating.
See the partial list of popular superhero horror sub-genre movies here: https://www.imdb.com/list/ls066690349/
Fantastic Four 2005 | Movie 5.7 (291,650)
* Marvel Monster: The Thing
Guardians of the Galaxy 2014 | Movie 8.1 (890,985)
* Marvel Monster: Groot
The Incredible Hulk 2008 | Movie 6.8 (382,500)
* Marvel Monster: Hulk
Man-Thing 2005 | Movie 4.0 (5,435)
* Marvel Monster: Man-Thing
Vampirella 1996 | Video 3.7 (1,225)
Avengers: Age of Ultron 2015 | Movie 7.4 (615,616)
Wanda Maximoff / Scarlet Witch
Doctor Strange 2016 | Movie 7.5 (463,008)
Doctor Mordrid (1992) (a result of adaptation of Marvel's Dr. Strange being re-written)
Faust: Love of the Damned (2000) (an adaptation of brutal and cool Avatar Press comic)
Ichi the Killer (2001) (a very odd beast of a movie which adapts some aspect in a more superhero-like way then original manga portrays the plot; still more of a deconstruction)
Recently announced Brightburn also looks rather promising.
Drama | Horror | Sci-Fi | Thriller USA Release May 24, 2019What if a child from another world crash-landed on Earth, but instead of becoming a hero to mankind, he proved to be something far more sinister?
Director: David Yarovesky
Stars: Elizabeth Banks, David Denman, Matt Jones, Meredith Hag