Cowie replaces Celtic captain Scott Brown who has been struggling with a hip problem and was substituted at half-time during Friday's 2-1 defeat to Wales.
The 29-year-old, who has made 10 appearances for Scotland, took part in Sunday's training session on familiar territory at Cardiff City Stadium.
Celtic winger James Forrest was unable to train on Sunday as he was undergoing treatment on an injury and a decision will be made on his fitness before the squad fly out to Brussels on Monday morning.
Forwards Jordan Rhodes and Robert Snodgrass will miss the Group A match at the Baudouin Stadium after withdrawing from the squad last week, while Everton midfielder Steven Naismith will complete his two-match ban.
Belgium, who claimed an impressive 3-0 win in Serbia on Friday, will be without injured pair Merouane Fellaini and Romelu Lukaku against Scotland who have picked up only two points from their three group games so far.
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.
The push for more color on their cleats, adidas has added the infrared colorway to the adiZero f50 Line.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
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.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.