This weekend, iVerse Media announced that its Comics Plus: Library Edition will be available to school and public library patrons via tablet computers, desktops, and mobile devices beginning on April 1. In recent months, more than 250 libraries have been beta testing the service, which offers about 10,000 comics and graphic novel titles, including “Adventure Time,” “Doonesbury,” “Bone,” “Mouse Guard,” “Sesame Street,” and “Robert Jordan’s Wheel of Time.”