Two of my favorite writers in comics open write a very similar opening shot in their respective first issues in two wildly different ways to the above results.
There’s not a right way to do this — just lots of wrong ways for you.
What do you have to write to get the page out of your head?
Top, FROM HELL #1 - Alan Moore and Eddie Campbell, and the attendant script pages for Page One, Panel One (taken from FROM HELL: THE COMPLEAT SCRIPTS, 1994).
Bottom, PUNISHER WAR ZONE #1 - Garth Ennis and Steve Dillon, and the attendant script for Page One, Panel One (excerpt from original document).