THE YEAR WAS
"Amusement Parks Can Be The Death Of You"
Written by Bill Parker(writer), C. C. Beck(artist)
From Whiz Comic #6 - After Spy Smasher prevents an exploding bottle of champagne from destroying a new battleship, Eve Corby takes her father to an amusement park to relax. The Mask tries to kill them both but manages to kill the wrong couple. Spy Smasher tries to catch him.
Here are the pages I have of it.