Has anyone successfully entered the Hulk code from a Best Buy package?

If so, at what point do you enter it? During the game it keeps changing the lead character and never unlocks the Hulk, and from a menu it hasn't worked either. I do notice my controller has a big right issue, where selecting the right character (Gambit for now) often selects the top one (Thing) instead...

worked for me.....do it in game after or before a fight

I'm having the same problem. Enter the code in game and nothing? What am I doing wrong??

Same here. I can't get it to work. My friend also gave me the code for:

Thor: URRDRDLR Start
Jean Grey: LLRRUDUD Start

and I can't get these to work as well.

Maybe it's the speed at which they are entered. I'm still reading the code as I go rather than just dashing it off. Memory issues.

I'm certainly willing to find all the tokens to EARN the Hulk, but I kinda wanted to take advantage of the code I had. So far, still not good enough at it. I'm now at the point where Thing isn't available anymore, so I'm using Deadpool. I'd prefer more muscle...