The defender joined the Gunners from Valencia this summer.
Celtic will face Old Firm rivals Rangers at Celtic Park in the Scottish Premiership next weekend.
The Arsenal and Everton midfielders have both been left out by Sam Allardyce.
Celtic, led by Ronny Deila, were knocked out of the competition by Mark Warburton's Glasgow Rangers side.
West Ham United kick off their EFL Cup campaign later this month and the Spaniard could play a part.
Wilshere departed Arsenal to join Bournemouth on loan on deadline day.
The 31-year-old to yet to feature for Mark Warburton's Glasgow Rangers side in a competitive fixture.
The Tottenham Hotspur ace can't wait to show off his speed.
Derby County will face Newcastle United, Ipswich Town and Bristol City in the next fortnight.
Ibrox side Glasgow Rangers boss Mark Warburton signed 12 players in the transfer window, and one of them is relishing the chance to face the Bhoys.
It is not every day that a bride-to-be breaks into a broad smile while confessing it would be a “dream come true” if her wedding was cancelled. But Dominika Cibulkova, a 27-year-old from Slovakia, has better reason than most to hope her special day this Saturday is postponed. Because it will mean she is playing in the Wimbledon ladies’ final.
Wimbledon and etiquette tend to go hand in hand but on Monday, on Court No7, there was a curious incident involving a leading doubles player, a refused bathroom break and a ball-can.
In the hours after his stunning win against Novak Djokovic in the previous round, Sam Querrey watched every little rerun he could get his hands on, loving the moment.