The Arsenal forward turned his ankle during a brief substitute appearance against QPR last weekend.
And at his press conference ahead of the weekend trip to Manchester United, Gunners boss Wenger revealed the Ivory Coast international will be out for most of November.
That means the 25-year-old is likely to miss the return UEFA Champions League game with Schalke and London derbies with Fulham and Tottenham.
The injury deprives Wenger of his top Premier League scorer - three of Gervinho's five goals this season have come in the league.
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
The new PUMA evoSPEED 1.2 FG. A great new soccer cleat with classic look and first time for PUMA to be on the cleat.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
The push for more color on their cleats, adidas has added the infrared colorway to the adiZero f50 Line.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.