Universe Alternate Future of Marvel Universe Key Characters Franklin Richards, Rachel Summers, X-Men, X-Factor, Fantastic Four, New Mutants, Ahab

An adult Franklin Richards travels back from the year 2017 to repair perceived "inaccuracies" in the timeline by altering reality. Richards' tampering of reality triggers a Sentinel program that awakens Ahab, the mutant hound-master, who attempts to apprehend the adult Richards in order to prevent any deviations from the timeline that spurs the Sentinel-ruled North America. Their altercations attract the original X-Factor, Fantastic Four, New Mutants, X-Men, and eventually, an also time-displaced Rachel Summers.