Skrull Invasion Begins: Nick Fury Races to Save World Leaders in 'Secret Invasion'

"Secret Invasion" follows Nick Fury as Skrulls threaten to take over Earth.
The series has potential but early reviews are mixed, citing dullness but praising cast.
Samuel L. Jackson and Olivia Colman's performances garner praise, though characters lack depth.
Show promises to be darker and politically-charged but may rely too much on teasing the future.
Success of "Secret Invasion" and other recent Marvel projects remains unclear, leaving future of franchise uncertain.