We’d say Backstreet’s back, but have they really gone anywhere? PEOPLE chatted with Brian Littrell and Kevin Richardson ... so be sure to dust off the old BSB concert tees and merch.

The 47-year-old singer revealed that he and Backstreet Boys co-star Nick, 45, got into an altercation over a comic book in front of their bandmate Kevin, 53, who had been trying to break things up ...