Borussia Dortmund captain Marco Reus has caused concern after he felt a lot of pain and couldn’t complete a training session on Sunday. Coach Edin Terzic told a news conference on Monday that the forward is doubtful for the Bundesliga game at VfL Wolfsburg on Tuesday. “It didn’t look too bad today. Now we have to see if he can take part in the final training session,” Terzic said. On Saturday, the forward played for a few minutes against Bochum. He was recently sidelined for around four weeks due to an ankle injury suffered in September and a cold, and a first attempt to return to the squad mi…