The kid had to be messing with him. There was no way Megatron would be an Autobot. Maybe he could see Skywarp shooting Thundercracker because he is rather stupid and might make a dumb mistake like that.

But Megatron being an Autobot? There is no way ... None.

"Okay. Now I just know you're making things up. You just lost a few more points for that ridiculous notion."