The aftermath of the Dark Angel Saga! A member lost! New members gained! An Avenger discovers the secret of X-Force! Fantomex and Ultimaton must allow the world's most powerful weapon to leave their care. Psylocke must say goodbye to the man she loves. And new friends must stand and make a suicide march. Then, the Trial of Fantomex begins as X-Force journeys to Otherworld! Guest starring Psylocke's brother Captain Britain, and the multiverse-spanning Captain Britain Corps! Collecting: Uncanny X-Force 20-24, 19.1