[3] On August 24 Fischer came to terms in continuing his junior career with the Windsor Spitfires of the OHL, who previously drafted him in 2013.

After completing his rookie campaign with the Spitfires in 2015–16, Fischer continued his year by signing an amateur try-out contract with the Coyotes' AHL affiliate, the Springfield Falcons on April 7, 2016.

With just over two minutes left in the second period, Fischer scored his first NHL goal from a feed from teammates Jamie McGinn and Alexander Burmistrov in a 5–3 victory.

[5] Fischer then spent the entirety of the 2017–18 season with the Coyotes in the NHL, finishing his rookie campaign with 33 points in 79 games.

[7] On October 28, 2022, in the 1st period, Fischer scored the first NHL goal in the Mullett Arena, the temporary home of the Arizona Coyotes which is shared by the ASU Sun Devils.