Morrison was cited for flight interference on March 1, Jim Owczarski of Packers News reports.
The Packers released Morrison on Friday.
Morrison played in 16 games with the Packers in 2018 and tallied 47 tackles (27 solo) and a sack.
Morrison recorded just one tackle in the Packers win over Atlanta on Sunday.
Morrison recorded eight tackles (five solo) and a sack across 31 defensive snaps in Sunday's loss to the Patriots.
Morrison, who has been impressive throughout training camp, has a chance to make the 53-man roster, Wes Hodkiewicz of the team's official site reports.
The Colts traded Morrison to the Packers in exchange for Lenzy Pipkins, Michael Cohen of The Athletic Wisconsin reports.
Morrison recorded 109 tackles (64 solo) and one pass defensed in 15 games with the Colts in 2017.
Morrison had 11 total tackles in Thursday's loss to Denver.
Morrison recorded nine tackles (five solo) in Sunday's loss to the Steelers.