These Marvel characters did marvelously stupid things. For this list, we’ll be going over the most boneheaded actions undertaken by characters from MCU films and television shows. Because all of these decisions involve plot points, there will be spoilers ahead. Our list includes decisions from“Doctor Strange” (2016), “Thor” (2011), “Guardians of the Galaxy Vol. 2” (2017), “Avengers: Age of Ultron” (2015), “Jessica Jones” (2015-), and more! Join WatchMojo as we count down our picks for the Top 10 dumbest decisions In The Marvel Cinematic Universe.

Here's a guide on what NOT to do! Welcome to WatchMojo.com and today we’ll be counting down our picks for the Top 10 dumbest decisions in Horror Video Games. In this video we'll be looking at Horror Games such as Silent Hill 2, Until Dawn and Resident Evil 2.

What were they thinking?! Who in their right mind would ever make such bad decisions as these?! Welcome to WatchMojo.com, and today we’ll be counting down our picks for the Top 10 dumbest decisions by Video Game Characters.

In cinema, these are the perfect ways to die. Join http://www.WatchMojo.com as we count down our picks for the Top 10 dumbest decisions in Horror Movies.

Even superheroes choose poorly sometimes! Welcome to WatchMojo, and today we’re counting down our picks for the stupidest decisions made by heroes across movies, TV shows, and comic books. Some spoilers may be ahead so consider this your warning!

Why do they always run UP the stairs?! Welcome to WatchMojo, and today we’re counting down our picks for choices that were frighteningly bad. Since some of these decisions have an effect on the plot, there is a spoiler alert.

Whether it be the kids or adults, they’ve all made dumb decisions. Welcome to WatchMojo, and today we’re counting down our picks for the terrible decisions made by the characters of “South Park.”

No, no Power Rangers! Welcome to WatchMojo, and today we’re counting down our picks for the dumbest, most boneheaded choices made by the multicolored teens with attitude and their allies. If you’ve never seen these smooth-brained decisions, expect spoilers ahead.

How could these TV characters be so dumb? For this list, we’ll be looking at the most bizarre TV character choices that ultimately did more harm than good.

Yeah, that's going to come back to bite them. Join Ashley as we count down our picks for the stupidest decisions made by characters in anime

Dumb choices make for excellent comedy! For this list, we’ll be looking at the most idiotic choices made by comedic characters that led to hilarity. Some plot details will be addressed, so consider this your spoiler alert!

If you ever find yourself in a disaster movie, be sure to pay close attention to the experts. For this list, we’ll be ranking the instances where a character or group of characters from a disaster movie made some sort of choice that either doomed them, hurt somebody else, or otherwise cooked their proverbial goose.

Well that was dumb. For this list, we’ll be looking at horror movies where paranormal entities would have been quickly thwarted had it not been for very stupid character decisions.

These "Scream" characters need to go back to horror movie school. For this list, we’ll be looking at choices made by characters in this horror franchise that are ill-advised and have serious consequences.

These decisions were dumber than Dudley. For this list, we’ll be going over the most boneheaded, poor, or unfortunate choices made by good and bad characters in the “Harry Potter” franchise.