Originally posted by AlbertoJohnAvil
...What?Bart wasn't amped when he was beating the lights of Prime.. They've fought more than once, and one had Prime fleeing
Tyrant beat 4-5 Heavy Hitters all at Once, Show Prime replicating that.
Have you actually read the comic?
Bart doesn't needs to be amped to go lightspeed.
All of those were drained and he beat them one on one.