The 21-year-old is on loan at CSKA Moscow for the remainder of this campaign.
And he does not see his long term future at Merseyside, given the ambitions of the team.
"Honestly, I do not believe," Vlasic told Croatian newspaper Sportske Novosti when asked if he could come back into the team next season.
"Despite these immense investments the team is currently in the 11th place, which means there will be new, big purchases.
"So I expect them to sell me as soon as they get their first bid."