With United's own youngsters impressing after being thrown into the deep end, the Northern Ireland defender is fearful of a similar situation arising under Arsene Wenger's expert tutelage.
"I think it's going to be a much more difficult game than everyone is thinking," Evans told ManUtd.com. "Arsenal are a fantastic team and no matter who plays for them, Arsene Wenger has got unbelievable ability to bring through young lads.
"I know they've got a lot if suspensions but the lads who come in will be so well integrated into how the Arsenal system works. Arsenal do have a distinct style of play that they very rarely change from so I think that helps. When they come through the Arsenal youth or reserve teams, they know exactly how to play.
"He's still got a big squad there. Obviously they've lost two great players in Nasri and Fabregas but they've got great strength in depth in their squad.
"Thomas Vermaelen was outstanding against Liverpool when I watched that game," admitted Evans. "And there are people like Robin van Persie, Andriy Arshavin. Nicklas Bentdner and Marouane Chamakh were on the bench against Udinese, they are two very dangerous strikers who could come in.
"Arsenal tend to play with just the one up and two wingers. Theo Walcott took his goal nicely the other night and Arshavin's another dangerous player so attacking wise, and especially for us defenders, it's going to be a tough game."