Bit harsh to call it a bomb....it will end up some where between $250m -$280m domestically and probably around $350m international which gives it $600m+
Not too bad for a reboot
It'll be higher than your range domestically. Films don't gross $40M+ on their second weekend and then less than that over the remaining duration of their run. $280M is the very low end for Man of Steel, even with poor holds. $300M is not out of the question. It will need to make ~2x this weekend's number over the remainder of its run to hit that total. Summer dailies will help.