- Script:
- Roger Stern (scripter, co-plotter); John Byrne (co-plotter)
- Pencils:
- John Byrne
- Inks:
- Al Milgrom
- Colors:
- Glynis Oliver
- Letters:
- Jim Novak
- Genre:
- superhero
- Characters:
- Cassandra Locke; Watcher; First Line [Yeti; Nightingale; Knight Templar; Squire; Oxbow; Pixie; Black Fox; Walkabout [Professor Carmody aka The Eternal Brain]; Effigy; Mister Justice; Firefall; Flatiron; Positron (all die in this story except Pixie)]; Riot-Act (dies in this story); Katyusha (dies in this story); Mako (dies in this story); Gadfly (dies in this story); Nocturne (appears to die in this story); Doctor Strange; Skrulls
Cameos: Reed Richards; Susan Storm; Henry Pym; Bruce Banner; General "Thunderbolt" Ross
- Synopsis:
- Cassandra Locke time-travels to the past to stop Earth's superhuman population -- mainly the members of the group the First Line and their enemies -- from sacrificing themselves to stop a Skrull invasion. Although unsuccessful, she continues journeying into the past to prevent this tragedy.
This story takes place place prior to Fantastic Four (Marvel, 1961 series) #1. Due to Marvel Comics sliding timeline, this story appears to take place in the 1990s.