Iron Grace (SuperVengers)

Tony Stark has too many memories of falling and a fear of enclosed spaces. after Afghanistan he swears he's never getting locked up again. He'll avert the freacking apocalypse if he has too.

In which, Loki's brother knows him too well, the Winchesters are confused, Tony finds a tree, Thor is a sad kicked puppy, Raphael is a bitch, Castiel's a glorified taxi, Crowley gets to be king and Zachariah's face might get imploded. Not in that particular order.

End Season 4 begin season 5 Supernatural X Ironman and the Avengers.

Warning plot-holes and the writer may have certain events messed up.
Updates whenever.