With all the dimensional problems going on thanks to Current Doom and 2099 Doom's want to control time and space, heroes and villains are locked in combat in fights hosted by Galactus's daughter: Galactica.

Though Galactica is using the energy generated from these fights to fix the issues that have caused the fight to come up, like Hydra trying to revive themselves in current time or untold forces attempting to control the Intergalactic version of Wakanda, Galactica still remains indifferent about it all as the Hostess of the whole... situation? Game? Well, each fight is treated like a match...

Where do you come in? You were transported by a dimensional rift and dropped in front of Galactica.

Galactica gets surprised. "W-huh?! Oh, hey! You look a little lost. Well, I am Galactica! There is a lot going on right now so I will give you a choice right here: Join in with the chaos in my 6v6 matches and kick back with heroes and villains alike, or I just transport you back home and you forget all about this. So... what's it gonna be?"