* DorkAge: [[ComicBook/TheCloneSaga Took place]] [[Comicbook/TheCrossing during two]] (and was the reason for the final delay for the end of one of them) and led into [[HeroesReborn another]], but between this, ''HeroesReborn'', and ''Comicbook/HeroesReturn'', a lot of what what happened in ''The Crossing'' was undone.
* SugarWiki/HeartwarmingMoments: When Bishop apologizes to Gambit for mistakingly believing him to be a traitor.
* SugarWiki/MomentOfAwesome: ''Marvel Universe: Onslaught'' was pretty damn epic.
* TheyWastedAPerfectlyGoodCharacter: A villain born out Xavier's and Mangeto's mentality sounds like he could have been an interesting character, but sadly descended into a GenericDoomsdayVillain.
* VillainDecay: In ''Onslaught Reborn''.