I think that it was actually better than the first chapter, but thats my personal opinion.
I liked how they managed to defeat Mummymon by using words rather than brute force, in a way Mummymon is a Perfect and BetelGammamon is an Adult, it would have been weird if Mummymon was defeated.
Also regarding Mummymon, it seems that they weren't bad at all, Mummymon just wanted to apply the reincarnation concept on humans cause they thought it worked the same as with Digimon.
I also loved the interactions between Hiro and Gammamon, thats quite a lot of character bonding to justify Gammamon wanting to protect Hiro in the first place.