Before the decepticon war started starscream was a scientist with his best friend jetfire they were investigating something and jetfire persisted to take a closer look a wither storm separating the two He tried to look for him but he couldn't)

30 days later the decepticons were mining some energon they saw a strange creature in the snow it was jetfire he was unconscious The other decepticons literally had no idea who is this creature so as megatron