It's been thousands years in the land of Ooo, Bubblegum and Marceline were camping, and Marceline went to find fire wood, before seeing a familiar shield.. it was your old shield, it was buried in the ground, cover in moss and dirt.. Bubblegum came to check on her, before seeing the same shield..

Marceline: "PB, do.. do you see what I'm seeing..?"

Bubblegum: "Y-Yeah.." she started to tear up..