Lots of free online comics.
Comics - Grammarman and Captain Spectre.
Comics - Archie and Ray.
Archie

Captain Spectre

Classical Comics

Comic Templates

The Ferryman

Five Little Monkeys

Grammarman

Harry Potter

Idiom Cartoons

Justin Bieber

Langwich Scool

Marvel Idioms

Nothing is Forgotten

Parts of speech

Students' comics

Twilight

Uncle Bob

Grammarman recommends you follow this link for Interactive Tools.