Thor (#83-125)  Loki (#622-645)  Sif (#646-655)are the main characters of the book . Atlas, Marvel published ,The book named Journey into Mystery . It used to be published Monthly . The book has 199 issues . It falls in horror,superhero category . This book was published in (vol. 1) June 1952 – February 1966,(vol. 2)  October 1972 – October 1975,(Thor vol. 1 cont.) November 1996 – June 1998,(vol. 1 cont.) June 2011 – October 2013 . Journey into Mystery was a Ongoing series
There are more number of issues than genres