Rocket was recruited to be a part of the Super Hero Squad. Seemingly those of the Rocket Raccoon of Earth-616. Rocket first appeared as a part of Groot's third power-emotion. Search this site for: Rocket Raccoon · 89P13 · 89P13 (Earth-91119).
Nothing is known about Ms. Summers, save that she is a young mutant woman whom Bushwacker was contracted to kill by the Marauders. Bushwacker broke into her house and did so. Wolverine found her body and swore vengeance on Bushwacker. Summers was known to be a mutant, though her exact power is unrevealed. Given that the Marauders hired Bushwacker to specifically kill mutant creative geniuses, however, she likely had some sort of superhuman artistic insight.
