Prime owns Wildfire:
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After a brief battle between "Trapper-Boy-Prime" and the Legion, he is transported to his younger self. When the younger version of Prime attacks his future self, they are seemingly erased:
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We then see that Prime has not been erased, but instead, has been teleported to his resurrected Earth-Prime.
However, we come to find that Prime's entire family had been following his comic story, because Earth-Prime is essentially 'our' Earth:
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And because Prime lives on 'our' Earth now, he is able to shatter the 4th Wall [if you can even say there still is one for him], and speak to the reader/read the same comics we do..
"They think I'm powerless. They think I can't do anything from here.... They'll never get rid of me. I always survive":