The 25-year-old German international tweeted a photo of his team-mates dressed in military fatigues and looking well-armed ahead of his team's game against Liverpool.
Featuring the likes of Mikel Arteta, Olivier Giroud and Jack Wilshere, the players’ images had been superimposed over a poster for the Expendables movie, which stars Sylvester Stallone and Jason Statham, by an Arsenal fan.
There has been no word about whether Mickey Rourke would appear on the substitutes' bench.