Marvel Endgame Takeover
The Sinister Background was a Background in Club Penguin Online. It cost 60 coins in the Penguin Style catalog or it could be obtained for free during Marvel Endgame Takeover when you click on the camera at the Stage.
|Catalog||Available From||Available Until|
|Penguin Style||April 5, 2018||June 7, 2018|
|May 2, 2019||July 7, 2019|
|Party||Location||Available From||Available Until|
|Marvel Endgame Takeover||Stage||May 21, 2019||June 7, 2019|
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