W"Avengers Disassembled" is a 2004 crossover storyline published by Marvel Comics involving Avengers, Fantastic Four, Captain America, Spider-Man and Thor. It sees the beginning of Brian Michael Bendis' Avengers run with the destruction of the existing traditional roster, and exile of several key members of the team. The storyline includes a number of subplots, some of which take place prior to and after the storyline, which depict other changes to the status quo: Iron Man once again closeting his secret identity, Spider-Man developing organic webshooters, and the death of Thor and Asgard in one final Ragnarok.
WAvengers vs. X-Men is a 2012 crossover event that was featured in comic books published by Marvel Comics. The event, consisting of an eponymous limited series and numerous tie-in books, involves the return of the Phoenix Force and the subsequent war between the Avengers and the X-Men. The 12-issue twice-monthly series was first published in April 2012, and features a storyline by Jason Aaron, Brian Michael Bendis, Ed Brubaker, Jonathan Hickman and Matt Fraction, with a rotating team of artists including John Romita Jr., Olivier Coipel and Adam Kubert.
W"Bloodties" is a 1993 Avengers/X-Men crossover that celebrates the 30th anniversary of both franchises. It is a direct sequel to the X-Men "Fatal Attractions" storyline, in which Charles Xavier mindwipes Magneto. The story of "Bloodties" details a civil war between the human and mutant populations of Genosha, incited by Magneto's former protegé Fabian Cortez. Unaware of Magneto's incapacitation, Cortez attempts to shield himself from his former master's wrath by kidnapping Magneto's granddaughter Luna. As Luna's father Quicksilver has strong ties to the X-Men and her mother Crystal is a member of the Avengers, both teams become involved in the Genoshan conflict. The situation is further complicated by Magneto's lieutenant and self-proclaimed heir Exodus, who seeks to kill both Cortez for his betrayal and Luna for "disgracing" Magneto's line by being merely human.
W"Kang Dynasty", sometimes called "Kang War", is a 16 part comic book storyline which ran through Avengers #41 - 55 and Avengers Annual 2001 between June, 2001 and August, 2002. It was written by Kurt Busiek and illustrated by a number of artists including Alan Davis, Kieron Dwyer, Ivan Reis and Manuel Garcia.
WThe "Kree–Skrull War" is a story arc that was written by Roy Thomas, and drawn by Sal Buscema, Neal Adams, and John Buscema. The story was originally published in the Marvel Comics comic book title Avengers #89–97.
W"Operation: Galactic Storm" is a 19-part comic book crossover storyline which ran through Marvel Comics' Avengers related titles - Avengers, Avengers West Coast, Captain America, Iron Man, Thor, Wonder Man, and Quasar - between March and May 1992.
W"Original Sin" is a 2014 comic book storyline published by Marvel Comics. The story features Nick Fury and the Avengers investigating the murder of Uatu the Watcher, only to suffer trauma from what they see in his eyes. They also come into conflict with a group of misled self-appointed investigators led by Black Panther and Punisher.
WSiege is an American comic book published by Marvel Comics from January 2010 to May 2010. It deals with the culmination of the "Dark Reign" story line, which saw Norman Osborn become the United States primary defense officer, leading H.A.M.M.E.R. as well as employing his own evil Avengers. The story depicts Loki manipulating Osborn into leading an all-out assault on Asgard, at the time located within the United States. Captain America and his own Avengers lead a rebellion against Osborn. The events in Siege led to Marvel Comics introducing the subsequent storyline "Heroic Age".