!!''Blog/WhatIf'' the blog
* FunnyAneurysmMoment: The post [[http://what-if.xkcd.com/40/ "Pressure Cooker,"]] which described exploding pressure cookers among other things, came six days before [[http://en.wikipedia.org/wiki/Boston_Marathon_bombings somebody used a pair of pressure cookers filled with shrapnel to bomb the Boston Marathon.]]
* {{Squick}}: The "mole of moles".

!!''ComicBook/WhatIf'' the comic book
* HilariousInHindsight: 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 ''PlanetHulk'' series, ComicBookTime 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 ''ComicBook/CivilWar'', that lineup has looked downright sparse.
** HarsherInHindsight/ FunnyAneurysmMoment: "What if Spiderman Had Not Married Mary Jane" became more like a canon after the release of [[http://tvtropes.org/pmwiki/pmwiki.php/ComicBook/OneMoreDay?from=Main.OneMoreDay "One More Day"]] in 2007.
** What if General Ross had become The Hulk? [[ComicBook/RedHulk I wonder if indeed.]]
** What if Jane Foster Had Found the Hammer of Thor? [[ComicBook/{{Thor 2014}} That'll never catch on.]]
** In "What if J. Jonah Jameson adopted Spider-Man?" (v2 #82), Flash Thompson becomes the Scorpion. Years later in canon, he'd claim another power set that once belonged to Mac Gargan: Venom.