Wolverine was out when the Reavers originally came, and they've since watched a variety of supervillain attacks on the X-Men do some severe damage. They'd better move soon, before it's too late.
Wolverine arrives back to find the team gone through the Siege Perilous. He is tortured by the Reavers, and nailed to a cross (a saltire, of course). They make the very basic mistake of leaving him for dead, something you should never do to people you are crucifying, and certainly not to Wolverine. Wolverine and Jubilee (finally revealing herself, and proving herself to be a regular Valley Girl in her dialogue) team up and escape.
So Uncanny X-Men lasted as a team title for 26 years, from 1963 to 1989, when, after a series of disastrous reorganisations it ended. Odd coincidence of timing, that. Circumstances are different, though: Uncanny is doing a provocative move at the height of its popularity. And other books are busy doing the X-Men team thing better than Uncanny has been for a while: it'll be good to see what this series is like removed from the shackles of the team structure.