Disclaimer:I do not own leethax hacks nor marvel avengers.Im just here to say about a slow,but sure bug that gives you silver.
1.Download and install addon from leethax.net(Firefox required)
2.YOu shall notice a blue "biohazard"icon right there.Click it.
3.It will give you an error and ask for refresh,after it will be refresher you will have more silver(dependind on how many allies you have).I have 40 allies so i get about 4-10k each time i do this.AND YOU CAN DO IT HOW MANY TIMES YOU WANT.
p.s:I dont know why,but some people dont get silver and get energy or iso-8.But,hey,anything free is good.
Thanks leethax for making the hack.I think he doesnt know about the bug that appeared.
Also i would like a unstable iso-8 hack if possible.Thanks.
Remember,thanks leethax for making this hack and letting it free,not like others.