Re: Ruffahulk Ruffasmash
Or you could just have them turning into their powered forms throughout the movie until the big fight at the end where they're all....you know.....U-Foed out.
You can get by with general make up techniques and a few extra glow lights or whatevs added in post until you get to the big finale.
"Great, now I have to take over a whole planet because of your stupid boobs."
-Rick from Rick and Morty