How did the sequels fair?
And still that doesnt change anything for your stupendous, spectacular, magnificent, ominous, vast, colossal, immense, mammoth enormous failure.
Imo there is no word in existence to date to give a justified term for it.
I'll make up one:
Zigurious: Zi-gur-i-ous
Adj.
To fail in zigurious proportions.
π