JLA: One Million. Only $ 19.95 U.S.
On the eve of the festival celebrating the return of the original superman from his long exile in the heart of the sun, the members of Justice Legion A- the mightiest heroes of the year 85,271 -come back in time to invite the greatest heroes of the 20th century- the Justice League of America -to travel to the future and take part in the celebration.
Chaos ensues.
(why would you want a thorough recap if you're planning on buying and reading the actual story? That's kinda like reading a summary of a movie then going to see it the next day.)
There was a whole month (5 weeks, actually) of DC1million issues, where each regular DC title was replaced with that charachter's counterpart from the mainstream DCU future (835th centuary).
Prime is mentionned in most of them, but appears in:
DC1milllion#4,
DC1million 80-page giant,
Superman: Man of Tommorrow 1milllion,
Ressurrection Man 1million,
Superman: Man of Steel 1million.
Not sure about the last 3 though
DC1million titles:
Batman: Shadow of the Bat
Nightwing
The Power of Shazam
Azrael
Batman
Starman
Green Arrow
Superman: The Man of Steel
Superboy
Detective Comics
Wonder Woman
The Creeper
Adventures of Superman
Catwoman
Martian Manhunter
Resurrection Man
The Flash
Superman: The Man of Tomorrow
Lobo
Action Comics
Green Lantern
Young Justice
DC1000000#1
Impulse
Legionairres
DC1000000 #2
Superman
JLA
Aquaman
Chase
DC1000000 #3
Robin
Supergirl
DC1000000 #4
Chronos
Young Heroes in Love
Hitman
Legion of Super Horoes
80 page-giant.
Good dc1million site:
http://www.geocities.com/TheTropics/1185/jlegion.html