It's undeniable that the dark and disgusting comic deaths are a beloved staple of many comics. With comics so often playing it safe on the topic of violence - not even showing blood in some fights - it's a welcome spot of catharsis to see the rule book thrown out every once in a while so that some absolutely brutal fatalities can go down.
Much in the same way that Mortal Kombat earned the adoration of countless teens by bringing them some hilariously over-exaggerated gore, comics that go all out with their death scenes often gain a cult following.
Series like The Boys and The Walking Dead very much thrive off of this, as while both have interesting characters and plots, the topic of conversation will always eventually turn back to the violent deaths both have; they're so over the top that you can't help but consider them a spectacle.
With the list of fatalities including death by sand, disembowelment, and a... questionable, shall we say, use of a jackhammer, it may actually be the case that Mortal Kombat has nothing on DC and Marvel...