Doctor Who: The Eleventh Doctor Archives — Titan Comics
Issue: #4
Mary Kelly's dead, but was she supposed to die? In a changing future, the Doctor discovers his actions have led to a larger number of "canonical" Ripper victims - and that Amy is remembered as the next to be murdered... Can they find her before the future becomes real?
Creators: Neil Uyetake, Denton J. Tipton, Tim Hamilton, Tony Lee, Phil Elliott
Characters: Jack the Ripper, The Doctor