The Amernia international suffered a knee injury during the Gunners 4-1 first-leg victory over CSKA Moscow on April 5 and has not featured for the club since.
However, despite fears that he could be set to miss the rest of the season, the Arsenal boss revealed he should be back sooner rather than later.
Arsenal 2017/18 fixtures
Newcastle United (A) – Sun Apr 15
West Ham (H) – Sun Apr 22
Manchester United (A) – Sun Apr 29
Burnley (H) – Sat May 5
Leicester City (A) – Wed May 9
Huddersfield (A) – Sun May 13
Yes, [its a] ligament strain and he should be out for two more weeks, said Wenger.
Dont be too worried. We have good medical staff and hes very serious in his rehab.
Given Wengers comments, Mikhitaryan could be ready to return in time for Arsenals crunch clash away to Manchester United on April 29.
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Even without the winger, Arsenal still managed to advance to the last four of the Europa League on Thursday night after a 6-3 aggregate victory over Moscow.
Wengers next task is to prepare his side for an away trip to St. James Park to take on Newcastle.