Source: DC Comics Presents #81 (1985)
Type: Red K transformationTo best market the Ambush Bug mini-series, the Bug showed up in DC Comics Presents not to team up with Superman, but to switch places with him, all thanks to a ball of Red K found on the golf course. While the real Superman is trapped inside Ambush Bug inside a cell inside the Fortress of Solitude...
...Ambush Bug struggles with his new Kryptonian powers.
And defeats Kobra - of all people - so resoundingly that:
But the Crisis was about to hit anyway, so Kobra didn't have anywhere good to go to. It's really Ambush Bug #0, do track it down!