The club also added defenseman Nick Holden to the roster on emergency recall from the minor league affiliate Springfield Falcons.
General manager Scott Howson announced the moves on Tuesday.
Commodore suffered the injury in the second game of the season against the San Jose Sharks in Stockholm. He is listed as day to day.
In two games this season, he was scoreless with nine penalty minutes. He has 21 goals, 77 assists and 610 penalty minutes in 436 career games with the New Jersey Devils, Calgary Flames, Carolina Hurricanes, Ottawa Senators and Blue Jackets.
The 23-year-old Holden has one goal and six penalty minutes in six games with the Falcons this season.