Sonic Universe # 77 (Archie Comics 2015)

The next exciting chapter in the Sonic/Mega Man Worlds Unite crossover event starts here, Worlds Unite, Part Five.
The worlds of Sonic and Mega Man have been joined together by Sigma, and it's going to take a full on army of unified heroes to make it right.
Scratch that, it's going to take some heroes and some villains.
When the mysterious and malicious Xander Payne inexplicably arrives with Drs. Eggman and Wily in tow, our heroes get new insight into Sigma's plans.

Sonic Universe # 77 is written by Ian Flynn with art by Edwin Huang and Gary Martin with a cover by Patrick Spaz Spaziante.

Sonic Universe # 77 is a 32 page comic book in full color and rated E.