LEGO Marvel \ 's Avengers Characters (LEGO Marvel's Avengers)

Character # 1 - A-Bomb
Abilities - invisibility, super-strength, super-jump, transformation into Rick Jones.
A small biography: Rick Jones - better known as A-Bomba. He is a superhero and one of the Hulk's allies. Initially, Rick did not have special powers, but later he acquired abilities the same as the Hulk. It has thick armor, can even withstand lava, and the A-bomb can become invisible.
How to find in the game LEGO Marvel's Avengers - In Sokovia, the A-bomb is at the bridge, to get it - you need to protect it from the doctors, and then take a selfie with the Hulk.

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how to change characters in lego marvel avengers i press and hold u but it does not change help what do you need ???