Rating (both art/fic): Teen
Universe: primarily 616
Word Count: 22,600
Warnings: Character deaths set outside the timeframe and main universe of this story are referenced, but all characters who actually appear in the story are still alive and in generally better spirits by the end.
Fic Summary: When Steve and Tony are taken down in the heart of Avengers Tower by alternate versions of themselves, their counterparts reveal a threat to both the foundations of the multiverse and to the foundations of Steve and Tony's friendship.
Link to Art and More Art by phoenixmetaphor