Fighting the same characters over and over at the same map gets old, FAST.
You can tell what I mean from this unlisted video"

A remix of both Game Gear Power Rangers fighting games made in 2DFM. · By
Hey! Yeah I know what you mean.
Random battles is not a feature that comes included by default on 2DFM, but it can be done, and it's definitely the next "big" feature to be included.
It will take a little while tho.
There's an updated version with a low difficulty curve which I implemented because too many players struggle in Sphynx's stage. (I've had to come out and apologize for it). But I hope it helps in the meantime!