These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Hilarious in Hindsight: Plenty of scenarios in the comic actually happened as time went on - Spider-Man joined the Fantastic Four in the Hickman run, Hulk became a barbarian in the Planet Hulk series, Comic Book Time means that Captain America was probably revived decades after "What if Cap were revived today?", Elektra's survival has been retconned in...
The joke scenario in #34, "What if Every Avenger Remained an Avenger", depicts the silliness of an Avengers team with dozens of members. Ever since Civil War, that lineup has looked downright sparse.
Nightmare Fuel: "Cat and Mouse" (vol2 #87) was about Jubilee being left to fight an Ax-Crazy Sabertooth after he kills both Bishop and Beast. As the story progressed Sabertooth received more and more physical damage, verging on Body Horror, as Jubilee is left to fend for herself in a version of the Xavier Institute which verges on H. R. Giger levels of nightmarish design. The issue was voted one of Comic Book Resources' "Scariest Comic Books Of All Time". See here.