It's true that GL has not been a profitable movie and it is certainly lagging behind this years superhero movies, but looking at some of the movies that performed badly but are not considered as disasters, I think that GL is slightly better position as it involves selling merchandise (toys, games etc.).
Having said this, it will still not be profitable.
Cowboys & Aliens
Production Budget: $163 million
Domestic: $93,477,000 - 72.5%
+ Foreign: $35,500,000 -27.5%
--------------------------------
= Worldwide: $128,977,000
Sucker Punch
Production Budget: $82 million
Domestic: $36,392,502 - 40.5%
+ Foreign: $53,400,000 - 59.5%
---------------------------
= Worldwide: $89,792,502
Speed Racer
Production Budget: $120 million
Domestic: $43,945,766 -46.8%
+ Foreign: $50,000,000 -53.2%
------------------------------
= Worldwide: $93,945,766
If someone wants an example of a true box Office disaster, it would be Disney Studio's Mars needs Moms.
Mars Needs Moms
Production Budget: $150 million
Domestic: $21,392,758 - 54.9%
+ Foreign: $17,600,000 - 45.1%
----------------------------
= Worldwide: $38,992,758