After the events of Stanford, Mantid was given a chance to registered after he was found with a band of unregistered rouge heroes. Mantid accepted, but denied the request to join the Thunderbolts. And was sent to Michigan, to be part of the state's official hero team.
Last time in Rebellious Mantid #22
Mantid and his team members: Jack Mortal, Green Bullet, Angro, and the youngest member of the team, Mantra, were involved in a battle against Hulk and part of the WarBound. Angro & Jack Mortal were killed, and Mantra had to be hosptalized.
Mantid & Green Bullet were the two left alive, and were waiting for their new team members to arrive. But as the two rested in the middle of the night, a team of villaisn who had been working under ground decide to attack the Detroit. Now Mantid and Green Bullet must travel there, and find a way to save the city.