The ending definitely hints at what was going to happen.This remind me, that I've never played through my copy of into the nexus... Better get on that.
Dimension leaping and Ratchet finding the lombaxes was all hinted at in into the nexus. It's not that great of a game, but it's a small little tease of what to come. It's wild knowing Ratchet just had a remake for the PS4, the series essentially skipped this generation of games completely in terms of making a sequel to Nexus/Crack in Time.