Based on the statistics, comic-turn-movies are bringing in around $350 millions each after cost.

Sure - if you pick and choose your sample.
a few more Marvel movies:
The Punisher (1989)
Fantastic Four (1994) (yes there are caveats with this one)
Nick Fury: Agent of Shield (1998) (David Hasslehoff!?)
Captain America (1991)
and I'm sure there are more..