There are three objectives to complete for this bonus mission. The first is to fix the stereo that Hulk smashed. On the right side of the room is a neon sign with the name Stark on it. The golden lego around it can be melted away by Iron Man's heat ray, behind that is a gold barrier so melt out the shape and it will give you the pieces to fix the elevator.
When it arrives a large box will drop out of it. This can be smashed to gain the parts to repair the speakers.
Second job is to use an explosives character on the silver lego on the back wall. This will reveal a control panel for Iron Man to use. Play the very short game of colour memorization and a disco ball will drop down in the lounge.
The final task is to fix the DJ equipment by breaking the three boxes in front of the turntable and then using the pieces to repair it.
There is still one more thing to do though. Time to bust a move on the dance floor. Memorize and copy the coloured panels so Iron Man can shake his booty.
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Stan Lee – In a golden cage on the right side of the area. Melt through the bars with a flame hero and let Stan out.
Character – Heartbreaker Iron Man: Destroy the three bunches of balloons in the room for this character token.
Red Brick – Melt the golden A rack on the back wall with a flame based hero. Then use the whacking stick on the piniata to break it open with a telekinetic character. Inside is the red brick.
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True believer (90,000 studs): Collect the specified number of studs during the level to obtain a gold brick.