Marvel's heroes and villains build terrible grudges, ones that have often motivated their actions for years to come. This has caused terrible grudge matches, with heroes and villains alike enmeshed in webs of revenge that have defined their lives. Over the years, these tales of revenge have grabbed readers like few others, allowing them to see just how far the heroes and villains will go to get satisfaction.
Source:https://www.cbr.com/marvel-comics-best-revenge-stories/