David Moyes, the Everton boss, recalled Duffy on Thursday ahead of the FA Cup third round tie against Tamworth.
The Irish youngster, writing on Twitter, said: Just like to thank everyone for there support and never know... I could be back in weeks."
Scunthorpe stressed on their own Twitter account that they hope Duffy's loan can be renewed until the end of the season.
They wrote: "The Iron are still hoping to renew his stay though, with our next match away at Colchester a week on Saturday."
Source: FOOTYMAD