There was some web comic - my google-fu is failing me - that had a time traveler going back to kill Hitler. Hitler's guards intervene and stop the assassination

There was some web comic - my google-fu is failing me - that had a time traveler going back to kill Hitler. Hitler's guards intervene and stop the assassination. The last couple of panels have them saying something like " It's an OK job but what's the deal with all these time travelers coming to kill the guy we're guarding - this is the third one this week!"