The Magpies have made it clear they are monitoring the striker's future after his failed move to Liverpool, having baulked at Lyon forward Alexandre Lacazette's demands
Goal learned last week that the former loanee was back on the club's radar following the collapse of his move to Liverpool.
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Newcastle are looking to sign one more striker and Olympique Lyonnais' Alexandre Lacazette was their top target - but the player's demands, coupled with Lyon's asking price, makes a deal highly unlikely at this stage.
Subsequently, Newcastle are looking elsewhere and have Lorient's Vincent Aboubakar on their radar, along with Pierre-Emerick Aubameyang - who they tried to sign before he joined Borussia Dortmund last summer.
However, a Remy return could become the deal that makes most sense for Newcastle and Pardew admits it is an option.
"I am surprised about what's happened with Loic because I thought he was signing for Liverpool and that door was slammed shut," said Pardew.
"I didn’t expect that, and we certainly had no problem with Loic during his time with us. So we shall monitor it as we go along."
On needing a new striker, he added: "Looking at our squad, we're still shy of a striker. That would be ideal. If we could get one that suited the club, we'll take that forward.
"I'm really pleased with the work we've done in the summer. It's far removed from the team that finished last year, and rightly so. Hopefully, we've invested well."