Should Arsenal progress on Thursday ahead of the FA Cup and worldwide breaks, Nicholas believes it would be the right time for Wenger to reveal all on his future to clear up uncertainty at the club.
"Let's say that someday it might interest me".
Arsenal manager Arsene Wenger is anxious by an apparent dip in attendance at the Emirates stadium in recent weeks but said he is confident the team will do "absolutely everything" to win back their fans. Expect a similar lineup from Milan to the one they used in the first leg, though right-back Davide Calabria will miss out with an adductor injury suffered against Arsenal.
Meanwhile, Aaron Ramsey is confident Arsenal can get their season back on track. thanks to the Europa League.
Pierre-Emerick Aubameyang looked sharp on the pitch, though he is ineligible for Arsenal's European campaign this season after his move from Dortmund.
"You have many good teams in there and this competition is maybe this season at a higher level than ever before".
Wilshere hasn't played for England since the disappointing Euro 2016 campaign
And on Arsenal recovering from their poor run of form which saw them lose four straight games in all competitions, Wenger explained: "Consistency is a sign of quality".
Mkhitaryan moved to Arsenal as part of the deal that sent Alexis Sanchez to Manchester United in January and the Armenian has already established himself as a key figure in Arsene Wenger's troubled side.
Henrikh Mkhitaryan has taken a swipe at Arsenal fans who boycotted their Premier League win over Watford while at the same time praised Gunners' fans who turned up to support them. "Sometimes when you have a negative spirit it is hard to get out".
Wenger chatted with players on a one-to-one basis throughout the training session. 'Jack will be free at the end of the season.
"That's why it was important for us to turn the corner".
'I hope he's in the squad, ' said Wenger.