Newcastle must grow under Camp Nou pressure: Howe
The Premier League club outplayed the Spanish champions in the last 16 first leg, but a late Lamine Yamal penalty to snatched a 1-1 draw last week on Tyneside.
Newcastle, aiming to reach the Champions League quarter-finals for the first time in the club's history, know the challenge will be different on Wednesday at the home of the five-time winners.
"I don't think they will (be overawed), we've got an experienced group, we've got many players who have played in so many big games now we've become accustomed to it," Howe said.