88+/AJ+ imo.
If maniac is utg and hero is utg +1, this is too loose I think.
I think this is a key point position round the table has an affect on our calling range. Blind on blind we can call v loose as long as our hand is above average we can call profitably. So yes if im in the bb and he is definitley shoving any two im calling with hands like K9 and q10 for sure.