History
M-41 Zu was a Synthezoid created by Jimmy Woo and the Atlas Foundation to take on the appearance and powers of the goddess Pele to confront Sindr, Queen of Cinders.[1] She first showed up as Pele when the elemental heroes Aero and Wave were being attacked by Fire Goblins of Muspelheim.[2]
"Pele" joined the heroes against the fire demons as she used her weapon to strike the ground which caused fire spears to protrude outwards stabbing the demons while Pearl created a tidal wave to engulf them resulting in their death. Wave was shocked that Pele killed them but she responded to her that this was war.

"Pele" against the Fire Demons
As she felt Sindr's demons below the ground meddling with the Earth's core, some of the demons struck Pele with spears causing damage to her body to the point were she passed out. They then mentioned that their mission was to draw out Pele so she could be captured for their Queen.
Soon after the group escaped capture, they were teleported to Seoul by the Agents of Atlas. Brawn who was leading the team, explained to Pele and the others that Sindr and her forces were going to strike Siberia. Wave and Aero attacked Cho because they wanted to go back and protect their own countries but Pele instructed them to stand down as she believed in what Brawn had said and the fact since the goblins had poisoned her, she could feel Sindr digging deep into mother's heart. She explained that they needed to join forces to stop the Queen from melting the polar ice caps.[3]
Pele then went with the others to a bunker belonging to Atlas in order to rest so her abilities could be back at full power. While on a emergency call with other Asian heroes including the Monkey King, Brawn discussed the current situation with them but Sun told him that this was god level business and he would handle it. Brawn mentioned that they had Pele with them but the Monkey King observed that she didn't seem like herself but Pele told Sun to watch himself.

"Pele" vs. Sindr
As Pele regained her strength the group teleported to Northern China to meet up withe the Monkey King. Sun automatically recognized Pele and said that if that is really her, it was his honor but Pele relented that he was sneering at her a few hours ago. Shang Chi began instructing everyone on how to fight as Brawn was captured by Sindr.[4]

Pele revealed as M-41 Zu