Uncanny X-Force (2010) #4

"THE APOCALYPSE SOLUTION," PART FOUR It all comes down to this! To stop him from bending all reality to his will X-Force must kill Apocalypse. But at a terrible cost. The final set piece: lovers positioned against each other, old friendships irreparably shattered, and the future of the Marvel Universe forever twisted. The story X-fans will be discussing for years to come, the conclusion that will change one character evermore!