Scholes called time on his playing career at the end of last season only to reverse that decision at the weekend after admitting to manager Sir Alex Ferguson he regretted stepping down.
The 37-year-old made a 30-minute cameo during Sunday's Manchester derby at Etihad Stadium as United beat local rivals City 3-2 to advance to the fourth round of the FA Cup.
Scholes was partly responsible for Sergio Aguero's goal as City threatened a comeback - but Ferguson said after the game he was delighted by his return.
Sky Sports pundit Wilkins believes the midfielder's comeback could not have come at a better time for the Red Devils, with Premier League title rivals City having recently lost key man Yaya Toure to the African Cup of Nations.
"It's the equivalent of getting a £25million player in January," Wilkins told Sky Sports Radio. "OK, he came on yesterday and gave the second goal away. But the peace of mind he gave the players...When Paul Scholes comes in...