Pls help me developers – MARVEL Battle Lines Review

So its great amazing 24/7 gameplay here but there is this golden button that says return to blitz mode and its preventing me from going to anywhere else like the campaigns and stuff and i pressed nothing happens i tried deleting it and buying it again powering my ipad off and its still there developers please help me im dieing from bordoem here but seriously pls tell me how
Review by fan of people on MARVEL Battle Lines.