Phoenix 5 or Avengers vs. X-Men is one of the most loopholed arc for me but I loved the design of the newly introduced versions of 5 characters, the Phoenix 5. Can't wait to have them all in Minimates form --Legends, even.
Links:
Action FIgure Reviews
Articulated Comic Book Art
The Advocate's Den Show
What I tried to put ou is the long and heated up rivalry between Cyclops and Wolverine. It was really one of my favorite rivalries because the both of them goes a long way -- right from the point when Wolverine joined the X-Men.