entity  Onslaught , although it is later revealed that  Franklin Richards   preserved these heroes in a pocket universe.  Believing the main team gone, the  Black Widow  disbands the Avengers, with only butler Jarvis remaining to tend to the Mansion. Avengers- Heroes Return JLA vs. Avengers http://marvel.wikia.com/Avengers_(Earth-616) August  2004  – January  2005