The newest chapter of The Avengers just dropped a major bombshell regarding the resurrection of Wolverine.
Warning: this article contains spoilers for The Avengers #10!
It was writer Jason Aaron who first revealed that Wolverine had returned to life in last year’s Marvel Legacy #1. Since then, other Marvel books have been exploring the fallout of that return, most notably the crossover event Hunt for Wolverine and the current miniseries Return of Wolverine. This issue marks the first time in over a year that Aaron himself has explored the current whereabouts of Wolverine. And in the process, readers learn that there are actually two versions of Wolverine co-existing in the Marvel Universe (and that’s not even counting Old Man Logan).
Source: IGN.com Wolverine's Resurrection Is Much More Complicated Than We Thought