Ferb Fletcher is one of the two titular protagonists of the namesake television series. The step-brother of Phineas Flynn, Ferb is an intelligent and talented kid in spite of his introvert and silent nature, barely even speaking. He appears in the second Disney Heroes vs. Villains War as one of the primary protagonists, while he is scheduled to appear in the second Heroes vs. Villains War.
Disney Heroes Vs Villains War - Part Two
Heroes Vs Villains War-Part Two
Vs Jack Spicer
The eccentric scientist Jack Spicer and his ally, the Heylin witch Wuya, were on the search for the fabled Shen Gong Wu's parts. Their first location is Danville and their targets were Phineas and his friends. Jack proved to be more challenging than the step-brothers anticipated.
Mushu introduced Mulan, Donald, and Goofy to Phineas, Ferb, and their friends who agreed to help them on their mission.