Complex sentence: Poundcakes (Marian Pouncy) is a supervillainess in the Marvel Comics Universe and former member of the female villain team, the Grapplers.
Split into simpler sentences: Poundcakes (Marian Pouncy) is a fictional supervillainess appearing in American comic books published by Marvel Comics. The character is a former member of the female villain team, the Grapplers.