Megan, 26, has dressed in 50 games for the Wolves this season and ranks second on the team and fourth in the AHL overall with 45 points, including a league-best 23 goals.
The 6-foot-1, 190-pound forward made his NHL debut on Dec. 22, in Tampa Bay, and became the 16th player in Blues history to score his in his first career game. A native of Canton, New York, Megan was originally signed by the Blues as a free agent on July 2, 2016.