1st one -- title makes direct use of a trademark property. Otherwise, no, not really. 2nd one -- Again title. OTherwise, my opinon is that it is ok. 3rd one -- The image itself does make use of trademarks (the bat-logo on the outfit)and would, I expect, be subject to removal. Note that these are my opinions. Renderosity's may differ.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)