The fixture Wimbledon were dreading became a reality on Tuesday night when MK Dons beat non-league Cambridge City 6-1 in their first-round replay.
Next month's clash will be the first time the teams have met since the original Wimbledon, FA Cup winners in 1988, were relocated to Milton Keynes 10 years ago.
AFC Wimbledon, who formed in 2002 in the wake of that controversial move and have since been promoted five times to reach League Two, have already said they will grudgingly fulfil the fixture.
But Simon Wheeler, chairman of the Independent Wimbledon Supporters Association, will not be there to see it.
Wheeler told Press Association Sport: "This has reopened a lot of scars.
"We never wanted this to happen and frankly I feel numb.
"I won't be going and I know lots of other fans won't be going.
"Personally I would rather take my girlfriend's mother to the garden centre than go to that game.
"Other fans will have to take a long look at themselves and make a personal, informed decision. We'll talk to the fans and to the club.
"We didn't ever want this to happen but it does highlight the phenomenal success of AFC Wimbledon from having had everything ripped out."
MK Dons chairman Pete Winkelman has described the historic meeting as a "potentially fantastic tie".
Meanwhile, AFC Wimbledon chief executive Erik Samuelson has called on Winkelman to drop the word Dons from the MK Dons name.
"If he offers me his hand, as long as it's got a letter in it saying that they agree that what they did was wrong and that they're going to drop the name Dons, I'll shake it. Otherwise I think we'll just move on," he told Sky Sports News.
"It's up to them. I think it reminds them and everybody of how they originated. They really don't have much to do with Wimbledon but it's their decision, not mine.
"I'm not going to agitate for it, I think it would be the better thing to do but that's for them to decide."