At the beginning of the mission choose the character with fire beam (e.g. Human Torch) and melt the golden Hulk statue. Now pick up Ms. Marvel Character Token.
Deadpool Red Brick
Go to the back-right side of the next room. Find the jigsaw on the wall and choose character witch telekinesis power to compose image of Deadpool from the puzzles. As a reward, you will obtain the "Gold Brick Detector" Deadpool Brick.
Stan Lee in Peril
Finally go to the big door placed between the stairs. Choose Magneto to break the door open and release Stan Lee.