What If Vol. 1 (1977) – A History of Comics Index

What If Special (1988) – A History of Comics Index

What If Vol. 2 (1989) – A History of Comics Index

Marvel Alterniverse (1995) – A History of Comics Index

101 Ways to End the Clone Saga (1997) – A History of Comics Index

Wha…Huh? (2005) – A History of Comics Index

What If Vol. 3 (2005) – A History of Comics Index

What If Vol. 4 (2006) – A History of Comics Index

What If Vol. 5 (2006) – A History of Comics Index

What If Vol. 6 (2007) – A History of Comics Index

What If Vol. 7 (2008) – A History of Comics Index

What If Vol. 8 (2010) – A History of Comics Index

What If Vol. 9 (2011) – A History of Comics Index

What If? Avengers vs. X-Men (2013) – A History of Comics Index

What If? Age of Ultron (2014) – A History of Comics Index

What If? Infinity (2015) – A History of Comics Index

What If Vol. 13 (2018) – A History of Comics Index

Spider-Man: Spider’s Shadow (2021) – A History of Comics Index

What If? Miles Morales (2022) – A History of Comics Index

What If? Dark (2023) – A History of Comics Index

What If? Aliens (2024) – A History of Comics Index

What If? Venom (2024) – A History of Comics Index

What If? Marvel & Disney (2024) – A History of Comics Index