Miroslav Klose put the visitors ahead with just five minutes on the clock after Jason Koumas had lost possession.
Agaev had earlier saved Jason Koumas' awful penalty and Fabio Luis Ramim was dismissed after receiving two yellow cards.
Wales' Jason Koumas had earlier missed a penalty against the ten-man Azeri.
It was the only real talking point of an opening that lacked any tempo with Jason Koumas and Gareth Bale restricted to long-range efforts.
Ramsey's return to south Wales is a huge boost to Jones' creative midfield options as Cardiff are currently without injured pair Stephen McPhail and Jason Koumas.
Jason Koumas began to exert more influence in midfield and the Wales international forced Reina into his first save of the game in the 51st minute.
Hugo Rodallega's stunning strike and a second-half goal by Jason Koumas secured the points for Wigan, with Villa struggling to create chances in the opener.
The Latics boss Steve Bruce replaced Mario Melchiot with the more attack-minded Jason Koumas at the interval and the visitors made a blistering start to the second half.
BBC: SPORT | Football | Premier League | Sunderland 2-0 Wigan
Wales - missing Craig Bellamy, Jason Koumas and Gareth Bale - also needed a slice of luck after 14 minutes when Germany came within inches of taking the lead.
With the hosts missing the experience of Craig Bellamy, Simon Davies, James Collins and Jason Koumas, manager John Toshack had little option but to put his faith in youth.
As well as the surprise capture of Wales captain Bellamy, midfielders Jason Koumas, Seyi Olofinjana and Danny Drinkwater have all arrived for the season on loan from Premier League teams.
Gary Speed, Robbie Savage, Mark Delaney, John Hartson, Mark Pembridge, Andy Melville, Ryan Giggs and Jason Koumas have all quit Wales since Hughes left to take over at Blackburn in 2004.
N'Guessan deservedly pulled them within touching distance in the 73rd minute with a powerful header, but any hope of an unlikely point was short-lived as Olofinjana diverted Jason Koumas' goal-bound effort home.
But it was that man Evans that almost laid on a second for Wales as the young tyro set up second-half skipper Jason Koumas, whose 25-yard volley fizzed inches over Sturluson's crossbar.
There was much speculation that Davies would be dropped for their match against Germany four days after the defeat by Finland but he was made captain when striker Craig Bellamy and Jason Koumas were ruled out with injuries.
Wigan's Emerson Boyce looped a header just over from a Jason Koumas corner but Sunderland could have gone two up when, one-on-one, Cisse smashed the ball hard and low after being put clear by Malbranque only to be denied by an outstanding save from Kirkland.
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