2008-09: Michael Schumacher skated for the Bohuslan/Dals' club team near Frolunda in southwest Sweden and competed in the TV-Pucken tournament along with his brother Christofer. He scored 4 goals with 6 PMs in five games as the team finished third in its group.
2009-10: Schumacher made his U20 SuperElit league debut as a 16-year-old, appearing in one game with Frolunda, and skated with the club's U18 teams at the Allsvenskan and Elit league levels. Schumacher was scoreless with no penalties in his only U20 game. In 18 U18 Allsvenskan games he scored 6 goals with 2 assists (Christofer Schumacher led the team with 10 goals and 10 assists) as Frolunda finished third in the South Division. He he had 6 goals with 2 assists in 8 playoff games as the team won the bronze medal. In 20 Elit League games he scored 15 goals with 6 assists.
2010-11: Schumacher played 22 games with Frolunda's U20 squad and was again a leading scorer for the club at the U18 level. In 22 U20 games he scored 4 goals with 3 assists and 28 PMs. Schumacher played 30 games (including playoffs) at the U18 level for Frolunda and scored 19 goals with 17 assists and 30 PMs. Not listed among the 140 European skaters in Central Scouting's final rankings, Schumacher was selected by Los Angeles in the seventh round (200th overall) of the 2011 NHL Draft.
2011-12: Drafted by Owen Sound in the first round (40th overall) of the 2011 CHL Import Draft, Schumacher was obtained by the Soo Greyhounds in a late August trade and spent his first season in North America in Sault Ste. Marie. Schumacher was the fourth-leading scorer for the Greyhounds; scoring 26 goals with 24 assists in 65 games and was minus-11 with 43 penalty minutes. The Greyhounds finished nine points better than the previous season but were last in the West Division – one point behind Windsor for the final playoff spot.