How to Play a Canon One Shot

DMs of NADPOT would like to hear your advice on how to play a canon one shot of sorts. The level thing is tough because we talked about this on the most recent D&D court. A little heist feels like a way to get people of different levels involved without the disparity of levels being so obvious. I'm thinking of like a cue from Star Trek like a mischievous god trying to like use their power for their own and shift the cosmic balance. In general heist it's like there will be a little bit of combat. There's going to be a chance to sling but like it's never expected like oh we're going to go through like huge combat