For Krul, the emphasis will be on keeping out the Metalist strikers.
Krul said: "The Premier League is our main aim, of course, that's normal, but the Europa League is an exciting league to be in and especially for Newcastle United, it would be great to be in there for a long time.
"Of course, it's a massive game. First the home leg and then away next week, we have to be on top of our game straight away.
"Like you saw yesterday, Juve won 3-0 at Celtic and it looks like game over, so we have to be definitely straight away at the races."