(GLENDALE, Ariz.) — Cam Newton took the snap on third down and it was like he’d never left the Carolina Panthers. The quarterback got moving in a hurry in his blue, black and silver jersey, barreled into the end zone for a 2‑yard touchdown, ripped off his helmet and screamed “I’m back!” as his teammates celebrated around him.

Superman may be a few years older, but he’s still got a flair for the dramatic.

“I’m just floating at an all-time high frequency,” Newton said. “It’s almost scary.”

The 32-year-old provided a flashback to his MVP days in his second debut with the Panthers, throwing for one touchdown, running for another and sparking Carolina to a 34–10 win over the Arizona Cardinals on Sunday.

Newton — the 2015 NFL MVP who was signed by the quarterback-thin Panthers earlier in the week — mad …