No, he's not evil in the new Star Trek. He has issues balancing his Human emotions with the Vulcan need to surpress emotions, so the reaction to this can sometimes be violent. Case in point: Kirk triggers an emotional outrage in Spock on the bridge after escaping from Delta Vega, hence why Spock attacks him. - Brandon Rhea (talk) 20:50, 27 June 2009 (UTC)
In the TOS season 2 episode "Mirror, Mirror" some of the Enterprise crew find a parallel universe which contains evil/barbaric versions of themselves, including Spock.