And Belgium knows he's more than capable to score a similar goal to the one that knocked the team out in 1986, when Maradona took on four players, ran past them and rifled the ball past helpless goalkeeper Jean-Marie Pfaff.
At the time, Belgium was already over the moon to have made it that far. This time, the team thinks it's far from done, Wilmots said.
"You should only think of one thing: make the final. That Belgium didn't use to have that frame of mind is not my problem," he said.
Belgium's strong defense has been the key to its World Cup run so far, with Vincent Kompany, Daniel Van Buyten and Jan Vertonghen all among the team's standout players.
Together, they should be able to deal with Messi, they said.
"If he gets past one player, he will have to get past a second player, because another will help out," Van Buyten said. "We will have to show our big heart."
Pfaff was the tournament's standout goalie in 1986. Now Belgium has Thibaut Courtois, who has kept Messi scoreless the last seven times they faced each other in Spain.
Courtois has already had a spectacular season, winning the Spanish league title with Atletico Madrid and getting his team into the Champions League final against city rival Real Madrid.
The only goal he conceded in the group stage was a penalty, and he made a decisive save late in the second-round game against the United States.
Assessing the 22-year-old goalie, Wilmots said that "Thibaut has done extraordinary things, certainly for his age."
He is unbeaten for Belgium so far.
In all, it means that Belgium will have several ways of stopping Messi, who has four goals so far in the tournament. And the collective is often stronger than the individual, Wilmots said.
"I don't want to depend on a single player, I want to depend on many. That is one of our strengths," he said.
Germany 1, France 0
Brazil 2, Colombia 1
• Argentina vs. Belgium, 10 a.m., Ch.4
• Netherlands vs. Costa Rica, 2 p.m., ESPN
• Brazil winner vs. Germany, 2 p.m.
• Netherlands-Costa Rica winner vs. Argentina-Belgium winner, 2 p.m.
Saturday, July 12
Semifinal losers, 2 p.m.
Sunday, July 13
• Semifinal winners, 1 p.m.