The Second Season of Marble Mayhem was announced on July 5, 2018, by the creators of Marble Mayhem. On July 22, 2018, after the last event of Marble Mayhem, the trailer of the second season was aired, showing a sneak peek of some of the events, along with Thanos saying "Dread it. Run from it. Destiny still arrives." The first event premiered August 26, 2018, with an off week that started September 9, 2018, to promote the series as well as other shows on MSPN. There was another delay on September 30 due to recording issues, resulting episodes being uploaded on Monday for the rest of the season. After the last event, a third season was announced.
On June 24, 2018, there was a special fan contest in which fans get to create their own Marble Mayhem Marbles by filling out a google form below with a link to the texture or image and the marble's name. On July 5, 2018, on the date of the announcement, it was announced that 8 marbles are on the ballot and that the 4 with the most votes will compete in Season 2.
Voting Closed on July 9th and the results were posted on the same day. Those who will compete are listed in bold.
There is a Halloween Contest announced on October 13, 2018, consisting Fan Favorite Marble Mayhem Marbles along with Halloween themed marbles. It was released on Halloween Night and it was started by Mr. Bones challenging Helios.