Complex sentence: Loeb and Marín and Pacheco brought Valeria back into the book as the FF went up against the cosmic menace of Abraxas, and Valeria fulfilled her purpose by merging her powers with Franklin and reconstituting Galactus to stop Abraxas.
Split into simpler sentences: Loeb and Marín and Pacheco brought Valeria back into the book. As the FF went up against the cosmic menace of Abraxas, Valeria fulfilled her purpose by merging her powers with Franklin and reconstituting Galactus to stop Abraxas.