CM Punk appeared on stage at the Rancid and Transplants concert at The Fillmore in Detroit, Michigan on Tuesday. Rancid called the former WWE Champion to the stage and joked their next song, "F**k You," should be used as his entrance theme at WWE Payback on Sunday.
For the latest on Punk and WWE Payback, check out our latest Backstage News update.
Punk hasn't been on WWE television since the April 15th episode of WWE Monday Night Raw.
WWE Payback takes place Sunday from the Allstate Arena in Rosemont, Illinois. We'll have exclusive live play-by-play coverage here at WrestlingNewsWorld.com.