The first part of that sounds familiar, even if Five was seemingly plucked out of the timeline before it happened and only knows it from what his other siblings have told him. At least until Luther gets to the part where they'd gone after the briefcase his younger self had on him.

Five had considered it. After going to their father and after his deal with the devil, it had been Plan C, probably the riskiest one of all.

"...paradox psychosis," Five says to himself, and now all of Luther's questions are starting to make sense, "We must have been desperate."